Quantitative Aptitude Test 63 Quantitative Aptitude – Test-16 Please enter your email: 1. 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 0 3 2. If a^{x} . b = b^{y}. c = c^{z} . a = 1, then (xyz)^{3} is equal to: 1 1/8 8 -1 3. 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: -5 7 -7 5 4. 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: 100 900 600 150 5. Which of the following numbers is exactly divisible by all prime numbers between 1 and 17 ? 345345 510510 515513 440440 6. When a certain number is multiplied by 13, the product consists entirely of, fives. The smallest such number is : 42735 42135 41625 42515 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, 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 20 10 15 9. What number should replace both the asterisks in (*/21 x */181)=1 ? 63 21 147 3969 10. A four digit number divisible by 7 becomes divisible by 3, when 10 is added to it The largest such number is : 9989 9947 9996 9987 Loading … Question 1 of 10 Previous PostQuantitative Aptitude Test 17 Next PostWord Analogy Completing Pair 1