DIRECTIONS for the questions 1 to 10: Solve the following question and mark the best possible option
Two years ago the average age of a family of 8 members was 18 years. After the addition of a baby, the average age of family remains the same today. What is the age of the baby ?
1 year
2 years
4 years
3.5 years
Answer : Option B.
An article when sold at a gain of 5% yields Rs. 15 more than when sold at a loss of 5%. The cost price of the article is:
Rs. 200
Rs. 150
Rs. 80
Rs. 64
Answer : Option B. 10/100 × x = 15 ⇒ x=150 As the loss and profit both are earned on the cost price.
If X gets 25% more than Y and Y gets 20% more than Z, the share of Z out of Rs. 740 will be:
Rs. 300
Rs. 200
Rs. 240
Rs. 350
Answer : Option B. Z share = Z, Y = 1.2Z X = 1.25×1.2Z, X+Y+Z =740 (1.25× 1.2+1.2+1)Z=740 3.7Z=740, Z=200
In a mixture of 35 litres the ratio of milk and water is 4 : 1. If 7 litres of water is added to the mixture, the ratio of milk to water in the resultant mixture will become :
2 : 3
3 : 2
2 : 1
1 : 2
Answer : Option C. Mixture = 35L, Milk = 4/5 × 35 =28L Water = 1/5 × 35 =7L New 28/7+7 = M/W ⇒ 28/14 = M/W =2/1
What will be the income tax payable by a person getting a taxable income of Rs. 30,000 during the year if the first Rs. 18000 is not taxable and the tax rates are 25% of the next Rs. 12000 ?
Rs. 3000
Rs. 3250
Rs. 3500
Rs. 3750
Answer : Option A. T.I.=30,000, N.T.I.=18000 Taxable 12000, Income Tax = 25% of Taxable Income = 1/4 ×: 12000 = RS.3000
10 men can finish a piece of work in 10 days whereas it takes 12 women to finish it in 10 days. If 15 men and 6 women undertake to complete the work, how many days will they take to complete the work?
2
4
5
11
Answer : Option C. 10 men = 10 days, 1 men 1 day = 1/100 work 12 women = 12 days, 1 women 1 day = 1/120 15 men + 6 women, 15 × 1/100 + 6 × 1/120 3/20 +1/20= 4/20 =1/5 work= 5 days
A merchant marks his wares 40% more than the real price and allows 20% discount. His profit is:
20%
18%
16%
12%
Answer : Option D. Let the CP = 100 Rs. Mark Price = 140 Discount = 20% Selling price 80/100 × 140 = 112 Hence profit = 12%
A train 280 metres long is moving at 60 kms per hour. The time taken by the train to cross a platform 220 metres long is:
20 seconds
25 seconds
30 seconds
35 seconds
Answer : Option C.
A person spends 40% of his salary on food, 25% on house rent, 15% on entertainment and 5% on conveyance. If his savings at the end of the month is Rs. 1200, then his salary per month in rupees is:
The average of 7 consecutive numbers is 33. The highest of these numbers is:
28
30
33
36
Answer : Option D. The average of 7 consecutive numbers will be the 4th number which is given to be = 33 5th number = 34, 6th number = 35, 7th number = 36
