Quantitative Aptitude Test 63 Quantitative Aptitude – Test-16 Please enter your email: 1. What number should replace both the asterisks in (*/21 x */181)=1 ? 21 147 3969 63 2. If the equation Ö(2x^{2} + 7x + 15) + Ö(2x^{2} + 7x – 6) = 7, is satisfied by values x_{1}, x_{2} of x, then the value of x_{1}.x_{2} is equal to: 7 -5 -7 5 3. In an examination 70% students passed both in Mathematics and Physics, 85% passed in Mathematics and 80% passed in Physics. If 30 students have failed in both the subjects, then the total number of students who appeared in the examination is equal to: 900 600 150 100 4. If A, B, C are three sets and if |A È B È C| = 100, |A| = 60, |B| = 50, |C| = 50, |A Ç B| = 10, |B Ç C| = 15, |C Ç A| = 50, then |A Ç B Ç C| is equal to: 5 15 20 10 5. Which of the following numbers is exactly divisible by all prime numbers between 1 and 17 ? 510510 440440 515513 345345 6. A four digit number divisible by 7 becomes divisible by 3, when 10 is added to it The largest such number is : 9989 9987 9947 9996 7. If 3^{12} . (2^{x})2 = 6^{12} . then the value of x is equal to: 3 6 -6 -3 8. If a, b and g are the roots of the cubic equation (x – 1) (x^{2} + x + 3) = 0, then the value of (a^{3} + b^{3} + g^{3} is equal to: 9 -1 3 0 9. If a^{x} . b = b^{y}. c = c^{z} . a = 1, then (xyz)^{3} is equal to: 8 1 1/8 -1 10. When a certain number is multiplied by 13, the product consists entirely of, fives. The smallest such number is : 42515 42735 41625 42135 Loading … Question 1 of 10 Previous PostHistory of India Test 43 Next PostTOEFL Preparation Grammar Test 11