Delhi Police Constable 6th Dec 2017 Shift-2

If 40% of P's income is equal to 75% of Q's income, then Q's income is what percent of P's income?

A and B have money in the ratio of 9 : 5. If A gives Rs 10 to B, then the ratio of money will be 1 : 1. Initially how much respective amount(in Rs) they had?

Average of 43, 21, 68, 97, 39 and x is 52. Whatis the value of x?

A retailer deposited some amount in the bank. The rate of interest for first 3 years is 6% per annum for the next 3 years rate of interest is 9% per annum and for the period beyond years rate of interest is 10% per annum. At the end of 9 years the retailer earned Rs 1650 as simple interest. How much amount (in Rs) did he deposited?

Due to 20%rise in the price of sugar a manis able to purchase 3 kg less sugar for Rs 120. Whatis the increased price (in Rs) of sugar?

If a trader marks the price of articles 60% more than their cost price and allows a discount of 30%, then what is his gain percent?

A triangle having perimeter 40 cm, one side 11 cm and difference of other twosides is 3 cm. Whatis the area (in cm$$^2$$) of triangle?

Two trains P and Q start from stations X and Y towards each other. Trains take 5 hour and 4 hours 3 minutes to reach Y and X respectively after they meet. If speed of train P is 54 km/hr, then whatis the speed (in km/hr) ofthe train Q?

The ratio of present ages of two boys is 5 : 7. After 4 years the ratio will be 7 : 9. What will be the ratio of their ages after 14 years from present?

C, D and together can complete a work in 12 days. Efficiency of C is twice that of D and efficiency of E is twice that of D. How many days alone will take to complete this work?