What will come in place of the question mark (?) in the given number series?
For the following questions answer them individually
Present ages of Neha and Rashmi are in the ratio of 7 : 8 respectively. Six years hence, the ratio of their ages will become 9 : 10 respectively. What is Rashmi’s present age? (in years).
The compound interest (compounded annually) on a certain sum of money @ 20 p.c:p.a for 2 years is Rs. 5,632. What is the simple interest on the same sum of money @ 12 p.c:p.a for 3 years?
A and B started a business together by investing Rs. 10,400 and Rs. 14,300 respectively. After 4 months C joined them with an amount of Rs. 9,100. If they earned an annual profit of ZRs.11,360. What is C’s share of profit?
The present population of village P is 2 times the population of village Q an year ago. If after a year, the population of village Q will he 3528 increasing at a constant rate of 20% every year, what is the present population of village P?
The sum of two numbers is 506. If the second number is 5/18th of the first number. What is the difference between the 4/9 of the first number and 2/11 of the second number?