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Q1. The ratio of three numbers is 2 : 3 : 5 and their product is 10290. The numbers respectively are
Q2. In an alloy of brass, the ratio of copper to zinc is 7 : 4. If 6 kg of zinc be added in 33 kg of such a quality of brass, then the new ratio of copper to zinc is
Q3. Average age of a class is 14.4 years. Average age of boys is 15 years and average age of girls is 14 years. Ratio of number of girls to number of boys is
Q4. A and B earn in the ratio of 2 : 1. They spend in the ratio of 5 : 3 and save in the ratio of 4 : 1. Find the monthly income of B if the total monthly savings of both A and B together is Rs. 5000.
Q5. The ratio of the outer and the inner perimeters of a circular path is 23 : 22. If the path is 5 metres wide, the diameter of the inner circle is:
Directions (6-7): In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
Q6. 2, 1, 2, 4, 4, 5, 6, 7, 8, 8, 10, 11, ?
I. 1st, 4th, 7th, 10th, 13th, terms i.e. 2, 4, 6, 8, ?
II. 2nd, 5th, 8th, 11th terms i.e. 1, 4, 7, 10
III. 3rd, 6th, 9th, 12th terms i.e. 2, 5, 8, 11
Clearly I consists of consecutive even numbers. So, the missing term is 10.
Q7. 8, 9, 8, 7, 10, 9, 6, 11, 10, ?, 12
I. 1st, 4th, 7th, 10th terms i.e. 8, 7, 6, ?
II. 2nd, 5th, 8th, 11th terms i.e. 9, 10, 11, 12
III. 3rd, 6th, 9th terms i.e. 8, 9, 10
The pattern in I is -1. So, missing term = 6 - 1 = 5.
Directions (8-8): In this question, one term in the number series is wrong. Find out of the wrong term.
Q8. 46080, 3840, 348, 48, 8, 2, 1
So, 348 is wrong and must be replaced by (3840 ÷ 10) i.e. 384.
Directions (9-10): In each of the following questions, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives.
Q9. B, D, F, I, L, P, ?
Q10. Y, B, T, G, O, ?
I. Y, T, O and II. B, G, ?
I. Consist of 2nd, 7th and 12th letters from the end of the English alphabet,
while II consists of 2nd, 7th and 12th letters from the beginning of the English alphabet.
So, the missing letter in II is the 12th letter from the beginning of the English alphabet, which is L.
Q11. Which one of the following is a female sex hormone?
Q12. ‘ELISA’ test is employed to diagnose:
Q13. AIDS virus has:
Q14. Which one of the following is a non-poisonous snake?
Q15. Angora wool is extracted from-
Directions (16-20): In each of the following questions an idiomatic expression and its four possible meanings are given. Find out the correct meaning of the idiomatic expression and mark the number of that meaning as your answer.
Q16. Play second fiddle to somebody
Q17. Plough a lone furrow
Q18. A prophet of doom
Q19. To pull weight
Q20. A pyrrhic victory
