Average age of 7 girls is 12. When age of a boy is included the average becomes 13 years. Find the age of boy.
Two towns A and B are 500 km apart. A train starts at 8 am from A towards B at a speed of 70 km/hr. At 10 am, another train starts from B towards A at a speed of 110 km/hr. When will the two train meet?
A bank calculate the simple interest at the rate 12½%, how many years will it take for a fixed amount to become doubled:
A student is asked to multiply a number by 8/17 He divided the number by 8/17 instead of multiply. Result of it he got 225 more from the right answer. Given number was.
Radius of a circular wheel is 21 cm. Find the number of revolutions done by wheel to cover the distance of 924 m.
Radius of a circular wheel is 21 cm. Find the number of revolutions done by wheel to cover the distance of 924 m.
A man sold an article at a loss of 20%. If he sells the article for Rs. 12 more, he would have gained 10%. The cost price of the article is.
Raju lent Rs.400 to Ajay for 2 years and Rs.100 to manoj for 4 years and received from both Rs.60 as collective interest. Find the rate of interest, Simple interest being calculated.
In a school, the ratio of boys and girls is 4:5. When 100 girls leave the school, the ratio becomes 6:7. How many boys are there in the school?
A can do a piece of work in 10 days and B in 20 days. They begin together but A leaves 2 days before the completion of the work. The whole work will be done in.
Numbers 4, 6, 8 are given. Using these numbers how many 3 digit numbers can be constructed without repeating the digits:
If the following numbers are written in ascending order which will be the second digit of the second number?
467, 373, 411, 317, 534, 337, 587
Anil has some hens and some cows. If the total number of animal heads are 81 and total number of animal legs are 234, how many cows does Anil have?
In a meeting of 25 boys, each boy is required to shakehands with the other. Then how many total hand shake will be there?
ഒരു മോട്ടോർ കാർ 10 മണിക്കൂറിനുള്ളിൽ ഒരു യാത്ര പൂർത്തിയാക്കുന്നു. ആദ്യ പകുതി മണിക്കൂറിൽ 21 കിലോമീറ്ററിലും രണ്ടാം പകുതി മണിക്കൂറിൽ 24 കിലോമീറ്ററിലും. ദൂരം കണ്ടെത്തുക.
A student has to secure 40% marks to pass. He gets 40 marks and fails by 40 marks. The maximum marks is.
A and B together can complete a piece of work in 12 days, B and C can do it in 20 days and C & A can do it in 15 days. A, B and C together can complete it in.
A man sold an article for Rs. 450 at a loss of 10% At what price should it be sold to earn a profit of 10% .
A, B and C complete a piece of work in 20, 9 and 12 days respectively. Working together, they will complete the same work in
In an examination 35% of the students passed and 455 failed. How many students appeared for the examination?
When there is an increase of 30% in the price of TV sets and decrease of 20% in the number of sets sold, then what is the percentage effect on total sales?
മഹേഷിൻ്റെ വരുമാനത്തേക്കാൾ 25 ശതമാനം കൂടുതലാണ് രമേശിൻ്റെ വരുമാനം. രമേശിൻ്റെ വരുമാനത്തേക്കാൾ എത്ര കുറവാണ് മഹേഷിൻ്റെ വരുമാനം?
A boy was required to divide a number by 3 while he multiplied the same number by 3 and got the answer 243, the correct is
Rohan's average marks in 7 subjects is 76. His average marks in 6 subjects, excluding Mathematics, is 73. How many marks did he score in Mathematics?
If 5 workers working 7 hours a day can finish the work in 4 days, then one worker working 10 hours a day can finish the same work in:
An amount becomes Rs.11,300 in 2 years and Rs. 12,600 in 4 years. The rate, if calculated at simple interest is:
I have to reach a place at fixed time. If I walk at 3 km/hr. I will be late for 20 minutes. If I walk at 4 km/hr, I will reach there 10 minutes early. What distance I have to travel?
The cost of the paint is Rs 50 per kg. A kilogram paint can cover 20 square feet. How much will it cost to paint outside the cube having 20 feet each side?