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- Question
- Ram finishes a work in 7 days. Rahim finish the same job in 8 days and Robert in 6 days. They take turns to finish the work. Ram worked on the first day, Rahim on the second day and Robert on the third and then again Ram and so on. Who was working on the last day when work got finished?
Options- A. Ram
- B. Rahim
- C. Robert
- D. Rahim and Robert
- Correct Answer
- Ram
ExplanationThree day work or Ram, Rahim and Robert = 1/7 + 1/8 + 1/6
= (24 + 21 + 28)/168 = 73/168
Their six days work = (2 x 73)/168 = 146/168 = 73/84
Now, its Ram's turn to work on seventh day.
? 73/84 + 1/7 = 73 + 12/84 = 85/84 > 1
So, Ram will finish the work before the end of day.
Hence, Ram is working for the last day. - 1. In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.
Options- A. (13, 26, 39)
- B. (15, 30, 45)
- C. (17, 34, 51)
- D. (19, 38, 59) Discuss
- 2. If the value of a company stock drops from Rs. 25 per share to Rs. 21 per share, the percentage decrease per share is
Options- A. 4
- B. 8
- C. 12
- D. 16 Discuss
- 3. The average age of a couple and their son was 40 years, the son got married and a child was born just two years after their marriage. When child turned to 10 years, then the average age of the family becomes 38 years. What was the age of the daughter in law at the time of marriage ?
Options- A. 12 years
- B. 10 years
- C. 14 years
- D. 13 years Discuss
- 4. In what ratio sugar at Rs 30/kg should be mixed with sugar at Rs 45/kg so that on selling the mixture at Rs 42/kg there is a profit of 20%?
Options- A. 2 : 1
- B. 2 : 3
- C. 5 : 2
- D. 3 : 7 Discuss
- 5. If 5 3x < 4 x and 5(2 x) > 2 2x, then x can take which of the following values?
Options- A. 0
- B. 1
- C. 3
- D. -1 Discuss
- 6. Find the odd word/letters/number from the given alternatives.
Options- A. House
- B. Stable
- C. Hut
- D. Cottage Discuss
- 7. If the price of kerosene be raised by 11%, find by how much percent a house holder must reduce his consumption of kerosene so as not to increase his expenditure?
Options- A. 11%
- B. 9.09%
- C. 11.09%
- D. 8.25% Discuss
- 8. If 2x + 3y = 0 and 3x - 4y = 34, then x - y = ______
Options- A. 10
- B. -10
- C. 2
- D. -2 Discuss
- 9. Find the odd word/letters/number from the given alternatives.
Options- A. BDGK
- B. JLOS
- C. NPSW
- D. MORU Discuss
- 10. A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is
Options- A. 5%
- B. 10%
- C. 15%
- D. 20% Discuss
More questions
Correct Answer: (19, 38, 59)
Correct Answer: 16
Correct Answer: 12 years
Explanation:
Given the average age of couple and their son = 40
=> Sum of age (H +W +S) = 40×3
Let the age of daughter in law at the time of marriage = D years
Now after 10 years,
(H + S +W) + 3×12 + D +12 + 10 = 38×5
178 + D = 190
D = 190 -178 = 12 years
Correct Answer: 2 : 1
Correct Answer: 1
Correct Answer: Stable
Correct Answer: 9.09%
Explanation:
Let the price of kerosene be x and household
consumption be y.
Expenditure = xy
New cost of kerosene = 1.1x, let new household
consumption be z.
In order to not to increase expenditure,
xy = 1.1x * a
? a= 10y/ 11
? consumption should decrease by = 1/11 X 100 = 9.09%
Correct Answer: 10
Correct Answer: MORU
Correct Answer: 5%
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