Dear Readers,
As SSC CGL| CHSL| STENO | CPO notification is out and candidates have started their preparation for this exam. Mahendras also has started special quizzes for this examination. This series of quizzes are based on the latest pattern of the SSC CGL| CHSL| STENO | CPO examination. Regular practice of the questions included in the quizzes will boost up your preparations and it will be very helpful in scoring good marks in the examination.
Ques1-: Rajan lent Rs. 400 to Manoj and Rs. 100 to Ajay for 4 years at same rate of interest and received together from both Rs. 60 as interest. Find the rate of interest, simple interest being calculated.
a) 8%
b) 3%
c) 5%
d) 6%
Ques2-: A, B and C can alone complete a work in 15, 12, and 18 days, respectively. B and C started the work and after working 6 days, B left and A joined. In how many
days was the total work completed?
a)81/11
b)15/11
c)51/11
d)34/11
Ques3-: If the radius of a cylinder is decreased by 8%, while its height is increased
by 4%, what will be the effect on volume?
a) 12.4678%
b) 11.9744%
c) 12.4678%
d) 11.9744%
Ques4-: A number is mistakenly divided by 5 instead of being multiplied by 5. Find
the percent change in the result due to this mistake.
a) 2500%
b) 95%
c) 96%
d) 2400%
Ques5-: A and B are the two alloys of copper and brass prepared by mixing metals
in the proportion of 7 : 2 and 7 : 11, respectively. If equal quantities of the two alloys
are melted to form a third alloy C, then the proportion of copper and brass in C will
be:
a) 7: 5
b) 4: 9
c) 9: 4
d) 5 : 7
Ques6-: A started a business by investing ₹4,80,000. After some months B joins him
with an investment of ₹ 2,40,000. At the end of the year, the profits were divided
among themselves in the ratio of 3 : 1. How long has it been since B joined A?
a) 5
b) 7
c) 8
d) 10
Ques7-: A single discount of 56.8% is the same as the discount series of:
56.8%
a) 30%, 20% and 6.8%
b) 40%, 10% and 6.8%
c) 10%, 20% and 40%
d) 30%, 20% and 10%
Ques8-: Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is
opened all the time and B and C are open for one hour each alternately starting with A and B, the tank will be full in:
a) 3 hrs
b) 6 hrs
c) 7 hrs
d) 8 hrs
Ques9-: A person earned 20% profit on article A and 25% profit on article B. The total
selling price for both articles is Rs. 245. If the cost price of both articles is the same, then find the cost price of each article.
a) Rs. 100
b) Rs. 200
c) Rs. 145
d) Rs. 122.5
Ques10-: Enrollment in a school increased from 2940 students in 2001 to 7350 in 2006.
What is the percentage increase in enrollment?
a) 160%
b) 150%
c) 125%
d) 100%
Answer key:
1. Sol. (B)
2. Sol. (A)
3. Sol. (B)
4. Sol. (C)
5. Sol. (A)
6. Sol. (C)
7. Sol. (C)
8. Sol. (C)
9. Sol. (A)
10. Sol. (B)
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MAHENDRA GURU