Quantitative Aptitude Questions for IBPS RRB/PO/Clerk, SBI PO, NIACL, NICL, RBI Grade B/Assistant, BOI, Bank of Baroda and other competitive exams.

- A pipe can fill a tankin 12 minutes and another pipe in 15 minutes, but a third pipe can empty it in 6 minutes. The first two pipes are kept open for 5 minutes in the beginning and then the third pipe is also opened. In what time is the cistern emptied?

A)Â 35mins.

B)Â 50 mins.

C) 45 mins.

D) 42 mins.

E) 30 mins.

- The speeds of two trains are in the ratio of 7:9. They are moving in the opposite directions on parallel tracks . The first train crossed a telegraph pole in 4 seconds whereas the second train crossed the same pole in 6 seconds. Find the time taken by the trains to cross each other completely.

A)Â 9(1/2)

B)Â 7(1/4)

C) 8(1/3)

D)5(1/5)

E) 5(1/8)

- Starting from his house one day, a student walks at a speed of 2(1/2) km/hr and reaches his school 6 minutes late. Next day at the same time he increases his speed by 1 km/hr and reaches the school 6 minutes early. How far is the school from his house?

A)Â 1(4/3) km

B)Â 1(3/4) km

C) 2(1/3) km

D) 5(1/2) km

E) 3(1/3) km

- A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. What is the percentage of water in the mixture.

A)Â 20%

B)Â 18%

C) 22%

D) 29%

E) 35%

- Three typists A, B and C have to type 836 pages. A types one page in 5 minutes, B in 15 minutes and C in 20 minutes. In what time will these pages be typed if they work together?

A)Â 44 hrs.

B)Â 35 hrs.

C) 48hrs.

D) 32hrs.

E) 28 hrs.

- The total marks obtained by a student in Physics, Chemistry and Mathematics together is 120 more than the marks obtained by him in Chemistry. What are the average marks obtained by him in Physics and Mathematics together?

A)Â 62

B)Â 55

C) 47

D) 60

E) 58

- The income of a broker remains unchanged though the rate of commission is increased from 4 per cent to 5 per cent. Find the percentage of slump in business.

A)Â 15%

B)Â 20%

C) 22%

D) 18%

E) 17%

- Ram derive an annual income of Rs.688.25 from Rs.10000 invested partly at 8% per annum and partly at 5% per annum simple interest. How many of my money is invested at 5%?

A)Â Rs.5240

B)Â Rs.2290

C) Rs.3254

D) Rs.4500

E) Rs.3725

- There are 9 red, 7 white and 4 black balls in an urn. Two balls are drawn at random from the urn. What will be the probability that both the balls are red?

A)Â 18/95

B)Â 19/99

C) 17/100

D) 18/75

E) 19/110

- In how many ways can a student choose a programme of 5 courses, if 10 courses are available and 2 courses are compulsory for every student?

A)Â 55

B)Â 60

C) 56

D) 48

E) 62

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Ty

tyy az..:):)

5/10..:(:(

kuch kuch answers bde repeated ya tricky ya common type hote hain like 4th nd 7th mai maine bina solve kiye 20 lgaya tha. jyadatar khi koi % 25 mai di ho or ans puch ho to 20 ata h same in 4th.

hehe i knw sadu logic, awaii lpet diya.. ðŸ˜›

ty Banya mam.. /

thanku mam ðŸ™‚

3rd

S1 X S2 = D X ( S2 – S1 ) / ( T1 – T2 )

S1 = 5/2, S2 = 7/2 , T1 = (t+6)/60 T2 = (t-6)/60

solve kr lo dost log

35/4 = D*1/(12/60)

D = 7/4 = 1(3/4) km.

10/10

in qno 10 question.. it is asking abt d no. of ways…don’t we hv to use permutation here ..??

1st ques me 3 /4 ku liya

Konse me first me to nhi h.haan third me jrur h.a simple approch of third qestion.

Answer is 1.75=175/100

=1 3/4. It is very simple through fraction.

alt method for 1st 1

a———+12

b———+15

c———-(-6)

lcm =60

=> a =+5 ,b=+4 &c =(-10)

=> combined eff. =5+4-10 =(-1)lit/min empty

now work done by a and b in 5 mins

=>5(5+4) =45 l filled

now 1min = 1 lit empty

=> 45 mins =45 ltr empty so tym taken =45 mins

think tank ur time taken to solve?

10 minutes to lgte hi h.agr difficult questions Ho to jada bhi lg jata h.

ty

tq mam ðŸ™‚