Q2. 8 years ago, the ratio of the ages of Ruchi and Anandi was 4 : 3. If the ratio of their present ages is 6 : 5 respectively, what is the ratio of the sum to the difference of their present ages?
(a) 11 : 2
(b) 11 : 4
(c) 11 : 1
(d) 11 : 3
(e) 7: 11
Q3. In how many different ways the letters of word ‘COMBINATION’ can be arranged in order to keep the consonants always together?
(a) 58500
(b) 48000
(c) 64800
(d) 64400
(e) 54800
Q4. A man’s downstream swimming rate is thrice of his upstream swimming rate. If he covers 12 km upstream in 2.5 hours, what distance he will cover in 5 hours downstream?
(a) 75 km
(b) 76 km
(c) 70 km
(d) 72 km
(e) 82 km
Q5. In a 63 litre mixture of spirit and water, the ratio of spirit to water is 5 : 4 . What amount of spirit should be added to this mixture to make the ratio of water to milk 5 : 7?
(a) 6.2 li
(b) 5.4 li
(c) 4.2 li
(d) 4.8 li
(e) 5.6 li
Solutions (1-5):
Directions (6-10): What should come in place of question mark (?) in the following number series?
Q6. 10, 15, 45, 270, 3240, ?
(a) 72250
(b) 77760
(c) 75260
(d) 85280
(e) 762560
Q7. 35, 256, 451, 620, 763, (?)
(a) 680
(b) 893
(c) 633
(d) 880
(e) 860
Q8. 130, 139, 155, 180, 216, (?)
(a) 260
(b) 290
(c) 265
(d) 996
(e) 1008
Q9. 2890, (?), 1162, 874, 730, 658
(a) 1684
(b) 1738
(c) 1784
(d) 1672
(e) 1678
Q10. 12, 26, 81, 328, 1645, ?
(a) 9981
(b) 8281
(c) 7321
(d) 9876
(e) 9978
Solutions (6-10):
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