## Maths Quiz for SSC CGL Tier-1 2016

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# Maths Quiz for SSC CGL 2016

• #### 1. A man's pension on retirement from service is equal to half the average salary during last 3 years of his service. His salary from 1-1-1983 is Rs 380 per month with increment of Rs 40 due on 1-10-83, 1-10-84 and 1-10-85. If he retires on 1-1-86. What pension does he draw?

1. Rs 205
2. Rs 215
3. Rs 225
4. Rs 230
##### Answer And Explanation
Explanation:
Note:Total Salary of 3 years
= Rs(380 x 9 + 420 x 12 + 460 x 12 + 500 x 3)
=Rs(3420 + 5040 + 5520 + 1500)
=Rs 15480

Average Monthly Salary = 15480/36 = Rs 430

Hence, Amount of Pension = 430/2 = Rs 215

# Maths Quiz for SSC CGL 2016

• #### 2. A certain sum of money amounts to Rs 756 in 2 years and to Rs 873 in 3.5 years at a certain rate of simple interest. The rate of interest per annum is...

1. 10 %
2. 11 %
3. 12 %
4. 13 %
##### Answer And Explanation
Explanation:
Note:S.I for (3.5 - 2 ) = 1.5 years

= Rs (873 - 756) = Rs 117

S.I for 2 years = Rs ( 117 x 2/3 x 2)= Rs 156

Hence, Principal = 756 - 156 = Rs 600
Now, P = 600 , T = 2

S.I = 156

Hence, Rate = (100 x S.I)/(P x T)
= (100 x 156)/(600 x 2)
= 13 %

1.  3
2.  3 /2
3. 2+√ 3
4. 2-√ 3
Explanation:
Note:

1. 1/3 rd
2. 3/7 th
3. 2/3 rd
4. 2/7th
Explanation:
Note:

# Maths Quiz for SSC CGL 2016

• #### 5. A batsman, in his 12th innings, makes a score of 63 runs and thereby increases his average score by 2. The average of his score after 12th innings is:

1. 41
2. 42
3. 39
4. 35
##### Answer And Explanation
Explanation:
Note: Average of the batsman up-to 11th innings = 63 - 12 x 2 =39

Hence, Required average = 39 + 2 = 41

# Maths Quiz for SSC CGL 2016

• #### 6.What percentage of profit on cost price equals 30% of profit on selling price?

1. 100/3
2. 36
3. 180/7
4. 300/7
##### Answer And Explanation
Explanation:
Note:If C.P = Rs 100 and Gain % = X

then S.P = Rs(100 + X)

Hence, X/(100+X) = 30/100

X= 300/7

1. 2 Cos2X
2. 2Cos2X
3. 2CosX
4. 2CosX/2
Explanation:
Note:

# Maths Quiz for SSC CGL 2016

• #### 8. A man rides at the rate of 300 Metres per minute and stops for 6 minutes to change horses at the end of every sixth Kilometre. Then to travel a distance of 84 km, the time taken by the man is

1. 3 hours 15 minutes
2. 6 hours 17 minutes
3. 5 hours 18 minutes
4. 2 hours 17 minutes
##### Answer And Explanation
Explanation:
Note: Speed of horse rider = 350 metre/minute = 21 km/h

84/6 = 14 . It means, he will change the horse 13 times.

Time taken in changing the horses = 13 x 6 = 78 minutes
Time taken in covering 84 km = 4 hours
Total time = 4 hours + 78 minutes
= 5 hours 18 minutes

# Maths Quiz for SSC CGL 2016

• #### 9.  If 1 x 2 x 3 x............ x n is denoted by n!. Then (8! - 7! - 6!) is equal to

1. 6 x 8 x 6!
2. 7 x 8 x 6!
3. 6 x 7 x 8!
4. 7 x 8 x 7!
Explanation:
Note:

1. 1/3
2. 1/5
3. 2/5
4. 2/3
Explanation:
Note: