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What will come in place of the question mark (?) in the following number series?
24, 16, 19, 21, ?, 26, 9
12, 36, 80, 150,?
20, 16, 25, 20, 35, ?, 55, 44
7, ?, 42, 210, 1680, 20160
What should come in place of the question mark '?' in the following number series?
4, 14, 32, 60, 100, ?
How many litres of water should be poured into a container containing 40 litre mixture of milk and water containing milk and water in the ratio of 5 : 3 such that the resultant mixture has 75% water in it?
A and B are partners in a business. They invest in the ratio 5:6. At the end of 8 months A withdraws. If they receive profits in the ratio of 5:9, find how long B’s investment was used?
Raj covers (2/3)rd of a certain distance in 2 hours 30 minutes at the rate of M kmph. He covers the remaining distance at the rate of (M+2) kmph in 50 minutes. What is the total distance.
The cost of five chairs and three tables is ₹ 3110. Cost of one chair is ₹ 210 less than cost of one table. What is the cost of two tables and two chairs?
A tank has a leak which would empty it in 6 hours when no tap is opened. A tap is turned on which fills the tank at 10 liters per hour if there is no leak. What is the capacity of the tank if both tap & leak together take 15 hours in emptying the tank?
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