Question
The average of 15 numbers is 40. A new number is added
and the new average becomes 41. Find the number added.Solution
Sum of 15 numbers = 15 × 40 = 600 Sum of 16 numbers = 16 × 41 = 656 Number added = 656 − 600 = 56
Ankush and Binny began a business where Ankush contributed 75% of the total capital. Four months later, Chintu joined the busines...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
1519.98 ÷ 50.48 × 15.12 = ? × 4.16
³√? `xx` 32.87 + 59.83 `xx` 28.7665 – 48.8745 `xx` 21.642 = 1085.344
25, 28, 26, 29, 27, ?
What is the area (in cm²) of a square inscribed in a circle with a radius of 10√2 cm?
499.98% of (√440.8 + 12.922 ) - 12.02 of 4.82 = ? of 9.82 + 9.98% of 999.94
A salesman is allowed 32% commission on the total sales by him and a bonus of 3% on the sales over Rs. 15000. If the total earnings of a salesman is Rs....
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