What will come in place of the question mark (?) in the following number series ?
For the following questions answer them individually
The number of students studying in College A and B are in the ratio of 3:4. If 50 more students join College A and there is no change in the number of students in College B the ratio becomes 5:6 What is the number of students in College B ?
The cost of 12 belts and 30 wallets is Rs 8,940 What is the cost of 4 belts and 10 wallets ?
80% of a number is equal to three-fifths of another number. What is the ratio between the first and the second number ?
Ghanashyam purchased an article for Rs 1,850. At what price should he sell it so that 30% profit is earned ?
What is the compound interest accrued on an amount of Rs 8,500 in two years @ interest 10p.c.p.a ?
