1 .A discount of 30% on the marked price of a toy reduces it selling price by ` 30. What is the new selling price (in ` ) ?
Answer & Explanation
Answer : Option C |
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Explanation : |
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2 .The capacities of two hemispherical vessels are 6.4 litres and 21.6 litres. The ratio of their inner radii is –
Answer & Explanation
Answer : Option B |
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Explanation : |
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The ratio of capacity of two hemispherical = 6.4 : 21.6
So, the ratio of their inner radii
= 3$\sqrt6.4 : 21.6$
= 4 : 6
= 2 : 3 |
3 .Pipe A alone can fill a tank in 8 hours. Pipe B alone can fill it in 6 hours. If both the pipes are opened and after 2 hours Pipe A is closed, then the other pipe will fill the tank in –
Answer & Explanation
Answer : Option A |
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Explanation : |
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4 .A farmer divides his herd of ncows among his four sons, so that the first son gets onehalf the herd, the second one-fourth, the third son $1\over5$ and the fourth son 7 cows. Then the value of nis –
Answer & Explanation
Answer : Option B |
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Explanation : |
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5 .The least number which when divided by 35, 45, 55 leaves the remainder 18, 28, 38 respectively is –
Answer & Explanation
Answer : Option C |
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Explanation : |
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The dif fe rence between di visor and remainder is constant i.e. 17 So, required number
= (LCM of 35, 45 and 55) – 17
= 3465 – 17
= 3448 |
6 .
Answer & Explanation
Answer : Option A |
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Explanation : |
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Required difference = (50 – 30) – (30 – 20) = 20 – 10 = 10 lakhs |
7 .The number of years in which the income exceeds the average income is –
Answer & Explanation
Answer : Option C |
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Explanation : |
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Average income = $30+50+40+60+60\over5$ = 48 lakhs Required years = 3 |
8 .The expe nditure f rom 2012 t o 2013 increased by –
Answer & Explanation
Answer : Option D |
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Explanation : |
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Required percentage = $40-50\over30$x100
= $10\over30$× 100
= 33$1\over3$% |
9 .The income in 2012 was equal to the expenditure in the year –
Answer & Explanation
Answer : Option C |
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Explanation : |
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10 .The profit was maximum in the year –
Answer & Explanation
Answer : Option D |
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Explanation : |
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Maximum profit was in 2014 i.e. 25 lakhs |
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