Answers If y varies directly as the square root of x and y = 3 when… If y varies directly as the square root of x and y = 3 when x = 16.… Read More
Answers If x * y = x + y2, find then value of (2*3)*5 If x * y = x + y2, find then value of (2*3)*5 A. 36 B. 25 C.… Read More
Answers Factorize completely (frac{x^{3} + 3x^{2} – 10x}{2x^{2} – 8}) Factorize completely (frac{x^{3} + 3x^{2} – 10x}{2x^{2} – 8}) A. x(x-5) 2(x+2) B. x(x-5) 2(x-2) C. x(x+5) 2(x+2)… Read More
Answers In a survey of 50 newspaper readers, 40 read Champion and 30 read Guardian, how… In a survey of 50 newspaper readers, 40 read Champion and 30 read Guardian, how many read both… Read More
Answers Express the product of 0.21 and 0.34 in standard form Express the product of 0.21 and 0.34 in standard form A. 7.14 x 10-3 B. 7.14 x 10-2… Read More
Answers Evaluate (left(frac{81}{16}right)^{frac{-1}{4}}times 2^{-1}) 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… Read More
Answers Rationalize (frac{2sqrt{3} + sqrt{5}}{sqrt{5} – sqrt{3}}) 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… Read More
Answers Marks 2 3 4 5 6 7 8 9 No. of students 3 4 1… Marks 2 3 4 5 6 7 8 9 No. of students 3 4 1 0 4 5… Read More
Answers In how many ways can 9 people be seated if 3 chairs are available In how many ways can 9 people be seated if 3 chairs are available A. 720 B. 504… Read More
Answers In how many ways can a delegation of 3 be chosen from 5 men and… In how many ways can a delegation of 3 be chosen from 5 men and 3 women. If… Read More