India Post aptitude questions

India Post model questions

Aptitude questions for practice Profit and Loss

1. A man buys a cycle for Rs.1400 and sells it at a loss of 15%. What is the selling price of the cycle?
A. Rs. 1090 B. Rs. 1160
C. Rs. 1190 D. Rs. 1202
Solution
S.P = 85% of Rs.1400
= Rs.(85/100×1400)
Rs.1190.

2. When a commodity is sold for Rs.34.80, there is a loss of 2%. What is the cost price of the commodity?
A. Rs. 26.10 B. Rs.43
C. Rs. 43.20 D. Rs. 46.40
Solution
C.P = Rs.(100 / 75×34.80)
= Rs.46.40.

3. Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?
A. 3.5 B. 4.5
C. 5.6 D. 6.5
Solution
C.P of 1 toy = Rs.(375/12)
= Rs.31.25
S.P of 1 toy = Rs.33.
Therefore,Profit = (1.75/31.25×100)%
=(28/5)%
=5.6%. 

4. A fruit seller sells mangoes at the rate of Rs.9 per kg and thereby loses 20%. At what price per kg, he should have sold them to make a profit of 5%?
A. Rs.11.81 B. Rs.12
C. Rs.12.25 D. Rs.12.31
Solution
85 : 9 = 105 : x
x= (9×105/80)
= Rs.11.81
Hence, S.p per Kg = Rs.11.81

5. A shopkeeper give 12% additional discount on the discounted price, after giving an initial discount of 20% on the labelled price of a radio. If the final sale price of the radio is Rs.704, then what is its labelled price?
A. Rs. 844.80 B. Rs. 929.28
C. Rs. 1000 D. Rs. 1044.80
Solution
Let the labelled price be Rs.x.
88% of 80% of x = 704
x=(704x100x100 /88x80)
= 1000.
Aptitude questions for Simple Interest

1. A man took a loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was
A. Rs. 2000 B. Rs. 10,000
C. Rs. 15,000 D. Rs. 20,000
Solution
Principal = Rs. (100×5400 / 12×3)
‹=› Rs. 15,000.

2. The price of a T.V set worth Rs. 20,000 is to be paid in 20 instalments of Rs. 1000 each. If the rate of interest be 6% per annum, and the first instalments be paid at the time of purchase, then the value of the last instalments covering the interest as well will be
A. Rs.1050 B. Rs. 2050
C. Rs. 3000 D. Rs. 19000
Solution
Monet paid in cash = Rs. 1000.
Balance amount = Rs. (20000 - 1000)
‹=› Rs. 19000.

3. A lent Rs. 5000 to B for 2 years and Rs. 3000 to C for 4 years on simple interest at the same rate of interest and received Rs. 2200 in all from both of them as interest. The rate of interest per annum is
A. 5% B. 7%
C. 8% D. 10%
Solution
Let the rate be R% p.a.
Then, (5000xRx2/100) + (3000xRx4/100)
‹=›100R+120R= 2200
‹=›R=(2200/220)
Rate ‹=›10%.

4. A money lender finds that dues to a fall in the annual rate of interest from 8% to 7x3/4%, his yearly income diminishes by Rs. 61.50. His capital is
A. Rs. 22,400 B. Rs. 23,800
C. Rs. 24,600 D. Rs. 26,000
Solution
Let the capital be Rs. x.
Then, = (x × 8×1/100) - (x × 31/4×1/100)
= 61.50.
‹=›32x - 31x =6150×4
‹=›x= 24600.

5. A sum fetched a total simple interest of Rs. 4016.25 at the rate of 9. p.c.p.a in 5 years. What is the sum?
A. Rs. 4462.50 B. Rs. 8032.50
C. Rs. 8900 D. Rs. 8925
Solution
Principal = Rs. (100×4016.25 / 9×5)
‹=› Rs. (401625/45)
‹=› Rs. 8925.