201. In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10%?
A. 3 : 2
B. 3 : 4
C. 3 : 5
D. 4 : 5
✅ The correct answer is option A. 3 : 2.
Mathematics
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202. the present average age of a couple and their daughter is 35 years. Fifteen years from now, the age of the mother will be equal to the sum of present ages of the father and the daughter. Find the present age of mother?
A. 43 years
B. 40 years
C. 48 years
D. 45 years
✅ The correct answer is option D. 45 years.
203. Today is khadija’s birthday. After one year, she will become two times as she was ten years ago. current age of Khadija?
A. 19
B. 20
C. 21
D. 22
✅ The correct answer is option C. 21.
Submitted by: Abdul Sami Bhayo
Submitted by: Abdul Sami Bhayo
204. A sum of money becomes 7⁄5 of itself in 4 years at a certain rate of simple interest. The rate per annum is :
A. 9%
B. 10%
C. 11%
D. 12%
✅ The correct answer is option B. 10%.
205. M:N = 3:4, N:O = 5:7 and O:P = 7:9. Then M:P =________?
A. 1/3
B. 7/9
C. 5/12
D. None of these
✅ The correct answer is option C. 5/12.
M/P = M/N * N/O * O/P = ¾ * 5/7 * 7/9 = 5/ 12
M/P = M/N * N/O * O/P = ¾ * 5/7 * 7/9 = 5/ 12
206. The number of arrangements that can be made with the letters of the word MEADOWS so that the vowels occupy the even places?
A. 720
B. 144
C. 120
D. 36
✅ The correct answer is option B. 144.
207. An express train travelled at an average speed of 100 km / hr, stopping for 3 minutes after every 75 km. How long did it take to reach its destination 600 km from the starting point ?
A. 6 hrs 21 min
B. 6 hrs 24 min
C. 6 hrs 27 min
D. 6 hrs 30 min
✅ The correct answer is option A. 6 hrs 21 min.
Time taken to cover 600 km = ( 600/100 ) hrs = 6 hrs. Number of stoppages = ( 600/75 – 1 ) = 7 Total time of stoppage = (3 x 7) min = 21 min. Hence, total time taken = 6 hrs 21 min.
Time taken to cover 600 km = ( 600/100 ) hrs = 6 hrs. Number of stoppages = ( 600/75 – 1 ) = 7 Total time of stoppage = (3 x 7) min = 21 min. Hence, total time taken = 6 hrs 21 min.
208. The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 867 sq m, then what is the breadth of the rectangular plot?
A. 8.5 m
B. 17 m
C. 34 m
D. 51 m
✅ The correct answer is option B. 17 m.
Let the breadth of the plot be b m.
Let the breadth of the plot be b m.
209. A train covers a distance of 10 km in 12 minutes. If its speed is decreased by 5 km /hr, the time taken by it to cover the same distance will be :__________?
A. 10 min
B. 11 min 20 sec
C. 13 min
D. 13 min 20 sec
✅ The correct answer is option D. 13 min 20 sec.
Speed = (10 X 60/12 ) km/hr = 50 km/hr. New speed = (50 – 5) km / hr = 45 km /hr. So Time taken = ( 10/45 ) hr = ( 2/9X 60 )min 131/3 min = 13 min 20 sec.
Speed = (10 X 60/12 ) km/hr = 50 km/hr. New speed = (50 – 5) km / hr = 45 km /hr. So Time taken = ( 10/45 ) hr = ( 2/9X 60 )min 131/3 min = 13 min 20 sec.
210. A man gets a simple interest of Rs.500 on a certain principal at the rate of 5% p.a in two years. Find the compound interest the man will get on twice the principal in two years at the same rate.
A. Rs.500
B. Rs.250
C. Rs.5012.50
D. Rs.5062.50
✅ The correct answer is option E. None of these..