Blue star ltd Interview Questions, Process, and Tips

Ques:- Find the least number which when diminished by 7 is divisible by 21, 28, 36 and 45 ?
Recent Answer : Added by lalitha On 2021-12-04 15:02:04:

1267

Ques:- Find the simple interest on Rs.500 for 9 months at 6 paisa per month?
Recent Answer : Added by Shravan On 2021-08-04 15:54:04:

Answer:270
Explanation: Formula is SI= P*R*T/100
Where P is principal amount
R is Rate
T is Time
So, SI= 500*6*9/100
i.e SI= 27000/100
SI= 270

Ques:- 6 cats kill 6 rats in 6 minutes .how many cats will be needed to kill 100 rats in 50 minutes?
Recent Answer : Added by Admin On 2020-05-17 12:04:23:

one cat kill one rat six minutes
so 1 cat kill 100 rat willbe needed 6*100=600minutes
then 100 rates kill 50minutes means then 600/50=12
so the answer is 12

Ques:- The time taken by a train 180 m long, travelling at 42 kmph, in pasing a person walking in the same direction at 6 kmph, will be
A. 16 sec
B. 18 sec
C. 21 sec
D. 24 sec
Recent Answer : Added by SHOWMINI R On 2022-08-14 16:29:07:

D = 180m
S = 42 – 6 = 36 * 5/18 = 10
T = D/S = 180/10
T = 18s

Ques:- Rearrange BBIRAT
Recent Answer : Added by Admin On 2020-05-17 12:03:11:

RABBIT

Ques:- What is the four-digit number in which the first digit is 1/3 of the second, the third is the sum of the first and second, and the last is three times the second?
Recent Answer : Added by G Dinesh On 2023-06-10 18:10:36:

let the for digit number be = pqrs
p=q/3 ==>q = 3p
r=p+q=p+3p =4p
s=3q = 3(3P)=9p
number:
p 3p 4p 9p
let p=1 answer is 1349
if it 2 answer 2 6 8 18
so it becomes five digit number so correct answer is 1349

Ques:- if the area of sqare increases by 69% then side of the sqr incr by
Recent Answer : Added by Admin On 2020-05-17 11:59:49:

30%

Ques:- The largest natural number by which the product of three consecutive even natural numbers is always divisible by
A. 16
B. 24
C. 48
D. 96
Recent Answer : Added by Shashank Panddey On 2022-09-15 16:36:27:

Let three consecutive even numbers be 2n,2n+2,2n+4
product=2n(2n+2)(2n+4)
If n=1,
product =2(4)(6)=48.
So, all the numbers will be divisible by 48 if change n.

Ques:- A 1200 m long train crosses a tree in 120 sec, how much time will I take to pass a platform 700 m long?
Recent Answer : Added by Sakshi On 2022-01-16 17:20:06:

190 sec

Ques:- Least no. when divide by 7 gives remainder 6, 6 gives 5, 5 gives 4 and so on ?
Recent Answer : Added by Admin On 2020-05-17 12:01:08:

419

Ques:- 37.5 ? (27)1.5 x 92 = 3?
Recent Answer : Added by Subhadeep Sur On 2022-05-17 09:06:28:

(3)^ 7.5 ÷ (27)^1.5 x (9)^2 = 3?
⇒(3)^7.5 ÷ {(3)^(3 x 1.5)} x {(3)^(2 x 2)} = 3 ?
⇒ 3^(7.5 – 4.5 + 4) = 3?
⇒ 3^7 = 3?
⇒ ? = 7

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