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For 3 years, taking cube rootsFor 3 years, taking cube roots = ∛512 = 8 = ∛729 = 9 Rate of interest = (difference of amount)/(first amount)× 100 = (9 - 8)/8 × 100 = 12.5% per annum
Find the value of ‘x’ if x = √729 + √1156
In a class of 40 students, 60% are boys and the rest are girls. If 50% of the boys and 70% of the girls passed the exam, how many students failed the exam?
What is the standard deviation of a dataset if its variance is 17.64?
A and B are positive integers. If A + B + AB = 65, then what is the difference between A and B (A, B ≤ 15)?
Find the average of first 12 whole numbers.
Sum of squares of three consecutive numbers is 1454. Find the sum of first and third number.
The number of present boys to girls is in the ratio 2:1. If 15 girls are absent and they form 25% of the total class, and no boy is absent, then find th...
Which of the following pairs is NOT coprime?
The difference between a number and its four – seventh is 60. What is the number?