10,40,90,61,? what is next number?

Brian takes the underground train to work and uses an escalator at the railway station. If Brian runs up 6 steps of the escalator, then it takes him 39.0 seconds to reach the top of the escalator. If he runs up 13 steps of the escalator, then it takes him only 28.5 seconds to reach the top. How many seconds would it take Brian to reach the top if he did not run up any steps of the escalator at all?

"My grandson is about as many days as my son is weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 100 years. Can you tell me my age in years?"

A train of 77m length is running at a speed of 60 km/hour. If it crosses a bridge in 30 seconds, then find the length of the bridge.

? X 147 = 6909

1000 X 45% /10=?

The value of a machine depreciates at the rate of 12 percent per annum. It was purchased three years ago. Its present value is Rs. 29644.032, what was the purchase price of the machine?

A fort has provision for 50 days if after 10 days they are strengthen by 500 men and the remaining food lasts 35 days. How many men were there in the fort initially?

A number exceeds 20% of itself by 40 then the number is _____

A man divided some money to his three sons in the ratio of 4:3:5. If the lowest money of the three is Rs.12000. Find the total Money.

The least perfect square number which is divisible by 3,4,5,6 and 8

HCF of three numbers is 12.Their ratio is 1 : 2 : 3 the numbers are _______

The square root of 4761 is_____

17 + 47 = 7 + ?

33 + 18 = 29 +

56 + 81 = 44 +

54 - 32 = 25 - ?

1/4 + ? = 3/4

3/5 x ? = 2/5

60% of 120