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P and Q are two alloys of aluminum and copper. The ratios of aluminum and copper in P and Q are 5 ∶ 11 and 3 ∶ 5, respectively. If a third alloy is formed by mixing alloys P and Q in the ratio of 1 ∶ 3, then aluminum is what percentage (rounded off to the nearest integer) of the copper in the third alloy?
Investments made by A, B and C in a craft business is Rs.47,000. If A invest Rs.7,000 more than B and B invest Rs.5,000 more than C, then find the amount C gets out of the total profit Rs.4700.
In a school, 3/8 of the number of students are girls and the rest are boys. One-third of the number of boys are below 10 years and 2/3 of the number of girls are also below 10 years. If the number of students of age 10 or more years is 260, then the number of boys in the school is:
A and B possess books in the ratio of 3 : 4. B and C possess them in the ratio 2 : 3. If C gives 20 books to A, then A, B and C possess books in the ratio 4 : 4 : 5. Find how many books A, B and C originally had?
The weight of Ayush and Abhishek are in the ratio of 8 ∶ 5. Abhishek's weight increases by 40 percent and the total weight of Ayush and Abhishek both increase by 60 percent. If the total weight becomes 104 kg, then what is the weight of Ayush after the increment?

If the denominator of a fraction is multiplied by 2 and the numerator is increased by 2, the fraction becomes 12\frac{1}{2}. If instead, the numerator is multiplied by 2 and the denominator is increased by 2, it becomes 67\frac{6}{7} What is the sum of the numerator and the denominator of the original fraction (in the lowest form) ? 

In a school library, the ratio of Science to English books is 10 ∶ 13. If there are 400 Science books and due to increase in demand of Science books, few Science books are added by school authority and the ratio becomes 25 ∶ 26. What is the number of Science books added?
A and B have some toffees. If A gives one toffee to B, then they have equal number of toffees. If B gives one toffee to A, then the toffees with A are double with B. The total number of toffees with A and B are __________.
A 2-digit number is such that the sum of the number and the number obtained by reversing the order of the digits of the number is 55. Further, the difference of the given number and the number obtained by reversing the order of the digits of the number is 45. What is the product of the digits?
The ratio of two numbers is 5 ∶ 4. A number y is then subtracted from each of the two given numbers so that the ratio of the resultant numbers becomes 2 ∶ 1. What would be the ratio of the resultant numbers when the same number y is added to each of the two initial numbers?
A basket consists of Apples and oranges in the ratio of 6: 5. If x apples and (x + 2) oranges were rotten then the ratio of the fresh apples and oranges is 4: 3. Find the total number of rotten apples and oranges in the basket and difference between apples and oranges in the basket is 8 ?.
ഒരു ക്രിക്കറ്റ് കളിയിൽ ആത്യത്തെ 10 ഓവറിലെ റൺനിരക്ക് 3.2 ആണ്. ബാക്കി യുള്ള 40 ഓവറിൽ എത്ര റൺനിരക്കിൽ റൺ എടുത്താലാണ് എതിർ ടീമിനെതിരെ 282 റൺസ് നേടാൻ സാധിക്കുക ?
സമചതുരാകൃതിയായ ഒരു തുണിയുടെ നീളം 1 മീറ്റർ ആൺ. ആ തുണിക്ക് 100 രൂപ വിലയുണ്ട്. എങ്കിൽ ആ തുണിയുടെ പകുതി നീളവും വീതിയുമുള്ള സമചതുരാകൃതിയായ പുതിയ തുണിയുടെ വില എത്രയാകും ?
2,850 രൂപയ്‌ക്ക് ഒരു സൈക്കിൾ വിറ്റപ്പോൾ 14% ലാഭം കിട്ടി. ലാഭശതമാനം 8% മാത്രമേ വേണ്ടങ്കിൽ എത്ര രൂപക്ക് സൈക്കിൾ വിൽക്കണം ?
ജോസഫ് ഒരു സ്ഥലത്തു നിന്ന് വേറൊരു സ്ഥലത്തേക്ക് 30 കി .മീ ./മണിക്കൂർ വേഗതയിലും തിരിച് 120 കി . മീ / മണിക്കൂർ വേഗതയിലും സഞ്ചരിച്ചു. ഈ രണ്ടു ദുരങ്ങളും കൂടി സഞ്ചരിക്കാൻ 5 മണിക്കൂർ എടുത്തുവെങ്കിൽ ഒരു വശത്തേക്കു ജോസഫ് സഞ്ചരിച്ച ദൂരമെത്ര?
ഒരു മിശ്രിതത്തിൽ 4 ഭാഗം വെള്ളവും 5 ഭാഗം പാലുമാണ്. ഇതിൽ വെള്ളത്തിന്റെ അളവ് 80 മില്ലിലിറ്റർ ആയാൽ പാലിന്റെ അളവ് എത്ര?

152+1222×15×12\sqrt{{15}^2+{12}^2-2\times{15}\times{12}} എത്ര ?

രണ്ടു സംഖ്യകളുടെ ല. സാ. ഗൂ. 60, ഉ. സാ. ഘ. 3 ഏഹ് രണ്ടു സംഖ്യകളിൽ ഒരു സംഖ്യ 12 ആണെങ്കിൽ രണ്ടാമത്തെ സംഖ്യ ഏതു ?

5 – (1/4 + 2 1/2 + 2 1/4) എത്ര ?

മോഹന്റെ ഒരു മാസത്തെ വരുമാനം 50,000 രൂപയാണ്. വരുമാനത്തിന്റെ 15% മക്കളുടെ പഠനത്തിനും, 28% വീട് ചിലവിനും, 10% വാടകക്കും ഉപയോഗിക്കുന്നു. എങ്കിൽ മാസാവസാനം മോഹന്റെ സമ്പാദ്യം എത്ര ?
853 × 1346 × 452 × 226 എന്ന ഗുണന ഫലത്തിൽ ഒറ്റയുടെ സ്ഥാനത്തെ സംഖ്യ ഏത് ?
I have 60 ten-rupee notes in my hand. The numbers on those notes are in order. If the number on the first note is 7575, what will be the number on the last note?
16.3 സെന്റിമീറ്റർ വശമുള്ള ഒരു സമഭുജത്രികോണത്തിന്റെയും, 12.1 സെന്റിമീറ്റർ വശമുള്ള ഒരു സമചതുരത്തിന്റെയും ചുറ്റളവുകൾ തമ്മിലുള്ള വ്യത്യാസം എത്ര ?

(6.42-3.62) / 2.8 എത്ര ?

[(32 × 10) ÷ (10 - 2)] ൽ നിന്ന് 20 കുറച്ചാൽ എത്ര ?
ഒരു വർഷത്തിനുള്ളിൽ ഒരു തുകയുടെ പ്രതിവർഷം 14%, 12% എന്ന നിരക്കിലുള്ള സാധരണ പലിശയിലെ വ്യത്യാസം 120 ആണ് അപ്പോൾ തുക എത്ര ?
The total number of color blocks is 1260. If the ratio of red block to blue block is 2 ∶ 5 and the ratio of blue block to yellow block is 15 ∶ 7, then how many yellow blocks are there?
A bag contains Rs. 550 in the form of 50 p, 25 p and 20 p coins in the ratio 2 ∶ 3 ∶ 5. The difference between the amounts that are contributed by the 50 p and the 20 p coins is:
A and B invested money in a business in the ratio of 7 ∶ 5. If 15% of the total profit goes for charity, and A's share in the profit is Rs. 5,950, then what is the total profit?

The third proportional to (x2y2)(x^2 - y^2) and (x - y) is:

Two numbers are, respectively, 17% and 50% more than a third number. The ratio of the two numbers is?.
If a + b + c = 1904, a ∶ (b + c) = 3 ∶ 13 and b ∶ (a + c) = 5 ∶ 9, then what will be the value of c?
The ratio of number of men and women in a ice-cream factory of 840 workers is 5 : 7. How many more men should be joined to make the ratio 1 : 1?
If P ∶ Q = 9 ∶ 1, Q ∶ R = 1 ∶ 8 and R ∶ S = 1 ∶ 10, then what is the value of P ∶ R ∶ S respectively?
When 10 girls left, the ratio of boys and girls became 2:1, and if afterwards 20 boys left, the ratio became 4:3. Find the sum of boys and girls?
A sum of Rs. 53 is divided among A, B and C in such a way that A gets Rs. 7 more than what B gets and B gets Rs. 8 more than what C gets then ratio of their shares is?
What is the sum of the mean proportional between 1.4 and 35 and the third proportional to 6 and 9?
ഒരു തുക സാധാരണ പലിശ നിരക്കിൽ 3 വർഷംക്കൊണ്ട് ഇരട്ടിയാക്കുന്നു.എങ്കിൽ അത് നാലിരട്ടിയാകാൻ എത്ര വർഷം വേണ്ടിവരും?
A sum of money is to be distributed among A, B, C and D in the ratio of 7 : 8 : 9 : 10. If C gets Rs. 500 more than B, then how much did D receive?
Salaries of X and Y are in the ratio 4 : 5. If the salaries are increased by Rs. 5000 each, then the ratio becomes 13 : 15. Find the salary of X.
In a certain school, the ratio of boys to girls is 5 ∶ 7. If there are 2400 students in the school, then how many girls are there?
5000 രൂപയ്ക്കു 5 വർഷത്തെ സാധാരണ പലിശ 1500 രൂപ ആയാൽ പലിശ നിരക്ക് എത്ര ?
M borrowed some money for 1 year at certain simple interest. But the interest rate was increased to 2% which amounted to Rs. 120. Find the principal amount?.
At what percentage simple interest per annum a certain sum will double in 10 years?
If Rs. 1000 is invested for two years at simple interest at the rate of 12.5% per annum, then what is the amount?
In how many years will a sum of money double itself at 10% per annum simple interest?
The simple interest received on a certain amount is equal to the principal. If the time period is equal to the rate of interest. Find the rate of interest per annum?
How much time will it take for an amount of Rs. 2000 to yield Rs. 640 as interest at 8% p.a. of SI?
Rahi deposited Rs. 600 in a bank that promised 8% simple interest per annum. If Rahi kept the money with the bank for 5 years, she will earn an interest of?
In what time a sum of money becomes 3 times of itself at simple interest rate of 10% per annum?