Simplify: $(\frac{2}{9} + \frac{3}{5})÷ (\frac{2}{9} +\frac{ 2}{5})$

The incomes of A and B are in the ratio of 3:2 and their expenditures are Rs. 14,000 and Rs. 10,000 respectively. If A saves Rs. 4000, then B’s savings will be?

The sum of digits of a two-digit number is 10. When the digits are reversed, the number decreases by 54. Find the changed number.

The dimensions of a luggage box are 80 cm, 60 cm and 40 cm. How many sq. cm of cloth is required to cover the box?

Find the square root on 9216?

A car travels at the speed of 50 km/hr for the first half of the journey and at the speed of 60 km/hr for the second half of the journey. What is the average speed of the car for the entire journey?

A positive number exceed its positive square root by 30. Find the number.

If three numbers are in the ratio of 1:3:5 and their sum is 10,800. Find the largest of the three numbers?

Working alone, A can do a job in 15 days and B can do the same job in 18 days. In how many days will the job be completed if both work together?

The LCM of two numbers is 210. If their HCF is 35 and one of the numbers is 105, find the other number.

3 chairs and 2 tables cost Rs. 700 and 5 chairs and 3 tables cost Rs. 1100. What is the cost of 1 chair and 2 tables?

Find the LCM of 25/7, 15/28, 20/21?.

Which among the following is true for the given numbers?

What Would be the C.I on Rs.17500at the rate of 12p.c.p.a after 2 yeras?

If a sum of money at simple interest doubles in 12years, the rate of interest per annum is?

ഒരു സ്കൂൾ ഗ്രൗണ്ടിൻ്റെ നീളവും അതിൻ്റെ വീതിയും തമ്മിലുള്ള അനുപാതം 5 : 2 ആണ്. വീതി 40 മീറ്ററാണെങ്കിൽ നീളം ____?

Find Rate of interest for the sum of 10000 for 2years componded annually amounts to Rs.40000?

Find the difference between Compound interest and simple interest for 2years of principle 4000 at the rate of 10% per annum?

Find the difference between compound interest and simple interest on 5000 for 2 years at 8% p.a payable annually?

Find the ratio of CI to SI on a certain sum at 10% per annum for 2 years?

The simple interest on a certain sum of money invested at a certain rate for 2 years amounts to Rs. 1200. The compound interest on the same sum of money invested at the same rate of interest for 2 years amounts to Rs. 1290. What was the principal?

What will Rs. 40,000 amount to in 2 years at the rate of 20% p.a., if interest is compounded yearly?

A boat can travel 27 km in one hour in still water and travels the same distance against the stream in 90 minutes. How much time will the boat take to travel 90km in the direction of stream?

A boat goes at a speed of 30 kmph in still water. What time does it take to travel 50 kms upstream and then 70 kms downstream in water of speed 5 kmph?

A man rows upstream 16km and down stream 28km, taking 5 hour each time, the velocity of the current?

The rates upstream and downstream of a swimmer are 10 kmph and 13 kmph respectively. The speed of current is?

What is the time taken by a boat to travel 120km upstream and back to the starting point if the speed of the boat is 25 km/hr, and the speed of stream is 5km/hr?

A boat travels 60km upstream and comes back in 8 hours. What is the speed of the boat, if the speed of stream is 4 km/hr?

A man can row 24km/hr in still water. It takes twice as long to travel any distance upstream as compared to the same distance downstream. Find the speed of the stream?

Find the difference in time taken by the boat travelling at 25 km/hr to cover 60 km while travelling upstream and downstream. Speed of the stream is 5 km/hr?

Working together, P, Q and R reap a field in 6 days. If P can do it alone in 10 days and Q in 24 days, in how many days will R alone be able to reap the field?

30 men working 5 hours a day can do a task in 16 days. In how many days will 40 men working 6 hours a day do the same task?

There are 90 coins, comprising of 5 and 10 paisa coins. The value of all the coins is Rs. 7. How many 5 paisa coins are there?

Find the LCM of 15, 25 and 29.

If the cost price of 120 articles is equal to the selling price of 80 articles, find the profit percent.

25% of 50% of a number is 385.What is the number?

120 is what % less than 160?

What will be the duplicate ratio of 2 : 7 ?

Find the mean proportion between 9 and 64 ?

The Average age of man and his son is 44 years. the ratio of their ages is 31 : 13 respectively. what is the son's age?

${101}\times{102}\times{103}\times{104}$ $$is a number which is always divisible by the greatest number in the given option.

$$HCF OF $\frac23,\frac45,\frac67$

$4^{61} +4^{62}+4^{63}$ is divisible by :

A number when divided by 91 gives a remainder 17. When the same no is divided by 13, the remainder will be ?

$\sqrt {{30 }+ \sqrt {31}+ \sqrt{25}}$

$\sqrt {{30 }+ \sqrt {31}+ \sqrt{22+x}}$

$$find x

$\sqrt{7\sqrt{7\sqrt{7.........}}}=?$

$\sqrt{27+\sqrt{27+\sqrt{27+..........}}}=?$

$(3+\sqrt3)(3-\sqrt3)=$

Compute 1/(√2 + 1) correct to two decimal places.

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