Till a certain date, Pakistan has a success rate of 50% against India in all the ODIs played between two countries. Pakistan lost all the 30 ODIs played against India after that date, and so their success rate decreases to 40%. Find the total number of ODIs played between the two countries.
A solution contains 10% salt and remaining is water. If 30 of water is evaporated, then salt becomes 15% find the initial solution.
In a certain village, the population was 4,000. In one year the population of male increases by 12% and that of female by 20%, but the total population increases by 15%, find the number of males in the village (initially).
In the expression a2 + 2ab, values of both variables a and b are increased by 25%. By how much will the value of expression increase?
A man saves a certain part of his monthly income so that he can purchase a bike in 2 years. Find the percentage increase in his saving so that he can purchase that bike in 14 months only.
If the selling price of an article is 4 times to the discount offered and discount percent is equal to profit percent, find the ratio of discount offered to cost price.
Anu went to buy some notebooks for her classmates that costs ₹ 120 each. Bookseller offers her a discount such that after buying 15 notebooks, she has to pay the price of 12 notebooks and 3 are given at the cost of ₹ 60 each. Find the percentage of discount offered.
A dishonest shopkeeper marks his goods 25% more than cost price and gives 20% discount, but he cheats 10% while selling and buying. Find his actual profit %.
A Shopkeeper sells his goods at 4% loss. But he uses 44 gm weight instead of 50 gm. Find his actual profit percent.
A bat is sold at 20% profit. If cost price and selling price of the bat is reduced by ₹ 400 each, the profit is 10% more. Find the cost price of the bat.
Gaurav borrows Rs. 12,000 for 2 years at per annum simple interest. He immediately tends it to Abhijit at 8% per annum simple interest for 2 years. Find his gain in this transaction.
A sum of Rs.5,000 is lent out in two parts, one at 5% simple interest and other at 3% simple interest. If the annual interest is Rs.204, find the sum lend out at 5%.
A sum of money doubles itself in 3 years at an interest rate compounded annually. It will amount to 16 times itself at the same rate of interest in:
The compound interest on a certain sum for two successive years are Rs. 625 and Rs. 650. Find the rate of interest.
In 3 years Rs. 2000 amounts to Rs. 2662 at r% compound interest, compounded annually. Find the value of r.
