Answers

If y varies directly as the square root of x and y = 3 when x = 16.…

Express the product of 0.21 and 0.34 in standard form A. 7.14 x 10-3 B. 7.14 x 10-2…

In a survey of 50 newspaper readers, 40 read Champion and 30 read Guardian, how many read both…

Marks 2 3 4 5 6 7 8 9 No. of students 3 4 1 0 4 5…

Rationalize (frac{2sqrt{3} + sqrt{5}}{sqrt{5} – sqrt{3}}) A.(3 √ 15 +11) / 2 B.3 √ 15 -11 C.(3 √ 15 -11) / 2 D.3 √ 15 +11…

Evaluate (left(frac{81}{16}right)^{frac{-1}{4}}times 2^{-1}) A.1/3 B. 3 C. 6 D.1/6 Correct Answer: Option A Explanation (left(frac{81}{16}right)^{frac{-1}{4}}times 2^{-1}=frac{1}{left(frac{81}{16}right)^{frac{1}{4}}}times frac{1}{2}\ =left(frac{16}{81}right)^{frac{1}{4}}times…

In how many ways can 9 people be seated if 3 chairs are available A. 720 B. 504…

In how many ways can a delegation of 3 be chosen from 5 men and 3 women. If…

5, 8, 6 and k occur with frequency 3, 2, 4, and 1 respectively an d have a…

What is the mean deviation of x, 2x, x+1 and 3x. If their mean is 2? A. 0.5…