Mohan bought 51 books for ₹1,150 from one shop and 48 books for ₹920 from another. What is the average […]
What is the mode of the following data? 74, 64, 77, 81, 61, 62, 64, 60, 67, 71, 61, 76,
Three partners invested in a business in the ratio 6 : 9 : 8. They invested their capitals for 12
In how many years does a sum of money become three times of itself at the rate of $6\frac{1}{4}$ %
Find the number of bricks, each measuring 10 cm × 36 cm × 16 cm, required to construct a wall 51
Two vessels, A and B, contain a mixture of milk and water in the ratio of 1 : 4 and
Aakash, Suman, and Raj invest ₹1,720, ₹1,690, and ₹1,240, respectively to start abusiness. If the profit at the end of
The expenditure of Sudha is 125% more than her savings. If her expenditure decreases by 6% and savings increase by 39.5%,
Two spheres of radius 9 units and 10 units are melted to form a sphere of radius 1 unit and another
Two trains of lengths 280 m and 220 m are running towards each other on parallel lines, one at the speed
The sum of the present ages of A, B and C is 131 years. 17 years ago from now, the
If the mass of a body is increased, the inertia: यदि किसी पिंड का द्रव्यमान बढ़ा दिया जाए, तो जड़त्व
A man sold an article for ₹147 by first giving a d% discount on its marked price, and then another discount
Which of the following is one of the methods to prevent the corrosion of metals? निम्नलिखित में से कौन-सा धातुओं