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Quantitative Aptitude- Arithmetic Questions Asked in RBI Assistant Preli. 2016(24/12/2016)

# Quantitative Aptitude- Arithmetic Questions Asked in RBI Assistant Preli. 2016(24/12/2016) Dear Readers, Arithmetic Questions Asked in RBI Assistant Preli. 2016 was given here. Aspirants those who are preparing for the competitive examination can use this.
QA-Misc. Wise Quetions- IBPS/IPPB/RBI/SBI/INSURANCE/SSC- SET -21
1)Jar A has 3x litre milk & jar B has X litre water. 25 litre of each milk & water was taken out from the respective jars & the resultant quantities from both the jars were mixed in jar C . If the respective
Ratio between milk & water in jar C was 19 : 3 , what was the initial quantity of milk in jar A ?
A)90
B)60
C)180
D)120
2)When 24 men work for only 3 days, 5/6 of the work remain unfinished .How much work will remain unfinished if 27 men work for only 2 days ?
A)7/8
B)9/12
C)9/10
D)5/6
3)The total price of 6 shirts & 5 trousers is Rs 3880 & the total price of 3 shirts & 2 trousers is Rs
1750 . What is the total price of 3 trousers ?
A)1320
B)1080
C)1110
D)1140
4)Population of village A is 20 % more than population of village B. Population of village C is 40 % more than A. If the difference between population of villages B & C is 1122 , what is the population of village A ?
A)2100
B)1660
C)1980
D)1960
5)The average of 10 numbers is 21.8 . The average of last four numbers is 15. If the average of first five numbers is 23., what is the value of the sixth number ?
A)32
B)43
C)48
D)38
6)A retailer bought a luxury pen after getting a discount of 30 % on the marked price. He sold the
Luxury pen to customer for Rs 4536 and earned a profit of 20 % on his cost price. What was the initial price of the luxury pen ?
A)6200
B)5800
C)5600
D)5400
7)Present age of B is more than twice of A’s present age by 4 years. The respective ratio between A’s age 6 years hence & B’s age 2 years hence will be 4 : 7 . What is C’s present age if C is 2 years older than B ?
A)42
B)20
C)36
D)40
8)A & B started a business with respective investments of Rs 25000 & Rs 15000 . The number of months for which B invested was 4 less than the number of months A had invested. If the respective ratio between total profit & A’s share in profit was 7 : 5 , what was the number of months for which B invested in the business ?
A)5
B)6
C)9
D)8
9)Out of their respective monthly salaries, Soma spends 7/8th & Tina spends 4/5 th on various expenses. The salary remaining with Tina after the expenses is Rs 2000 more than that of Soma . If Tina’s monthly salary is Rs 4000 more than that of Soma , what is Soma’s monthly salary ?
A)18000
B)24000
C)32000
D)16000
10)Car M takes 5 hours to travel from point A to B. It would have taken 6 hours. If the same car had travelled the same distance at a speed which was 15 km/h less than its original speed. What is the distance between points A & B ?
A)350 km
B)300 km
C)450 km
D)420 km
11)Sam invested a certain sum in scheme A for 5 years & in scheme B for 3 years a sum which was double of that invested in scheme A. Both the scheme offer interest rate of 8 % per annum. If the difference between the amounts received from both the schemes was Rs 12960 , how much did Sam invest in scheme A ?
A)18000
B)12000
C)14000
D)15000

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1.D)TRICKS – Option Choice
Or
According to question
(3X-25)/(X-25) = 19/3
X= 40 litre
∴The initial quantity of milk inn jar A = 3 * 40= 120 litre
2.A)TRICKS
24 * 3*X= 27 * 2*1/6
X= 1/8
∴Remaining work = 1-(1/8)= 7/8
3.D)TRICKS – option choice
Or
According to question
6X+5Y= 3880
3X + 2Y= 1750
Solving equation I & II
X= 330 , Y= 380
∴Price of 3 trousers =Rs 380 * 3= Rs 1140
4.C)TRICKS
RATIO METHOD
A:B=120 :100 = 6:5
C:A= 140 :100= 7:5
A:B:C= 30:25:42
Difference of B & C= 17
So 17 ⟹1122
30 ⟹ (1122 *30)/17= 1980
OR
Let the population of village B= X
Population of village A= X * (120/100)
Population of village C= 120/100 * 140/100
According to question
120/X * 140/X – X = 1122
X= 1650
Hence Population of village A = 1650 * ( 120/100) = 1980

5.B)
Sixth number = 10 * 21.8 – ( 4 *15 + 5*23) =43

6.D)TRICKS
Let the initial marked price of the luxury pen = Rs X
4536= X * 70/100 * 120/100
X= 5400
7.A)TRICKS
Let the present age of A =X years
The present age of B = (2X +4) years
According to question,
(X +6)/(2X +4+2) = 4/7
Hence X= 18 years
Present age of B = 2*18 + 4= 40 years
∴present age of C = 40 + 2 = 42 years
8.D)TRICKS
Let A invested in the business = X months
B invested in the business = (X-4)months
According to the question
25X/15(X-4)= 5/2
X=12
So (X-4)=8 months

9.D)TRICKS
Check option

10.C)TRICKS
Let the distance between A & B = D km
According to question
D/5-D/6= 15
S= 450 km

11.B)TRICKS
Let Sam invested in scheme A= Rs X
Sam invested in scheme B = Rs 2X
According to question
12960 * 100= 2X(100 + 24)- X ( 100 + 40)
X= 12000

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Thanks

Milan Jana

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