Ques:- The average of 10 numbers is 23. If each number is increased by 4, what will the new average be?
Recent Answer : Added by Rajeswari Suresh On 2021-10-10 19:03:42:
avg of 10nos.=23==>23*10=230
if each no increased by 4 ==> 4*10=40
then new avg is giveen by : 230+40=270
270/10=27
hence the new avg =27
Ques:- What is the sum of all numbers between 100 and 1000 which are divisible by 14 ?
Recent Answer : Added by Kalyani Nanaware On 2022-08-14 16:43:06:
The numbers that lie between 100 and 1000 which are divisible by 14 are 112, 126,140 …,994
a = 112; l = 994, d = 14
n= (l−a)/d+1
= (994-112)/14+1
= 64
Sn=n/2(l+a)
= 64/2(994+112)
= 32*1106
= 35392
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Ques:- Ten years ago, the age of Anand was one-third the age of Bala at that time. The present age of Bala is 12 years more than the present age of Anand. Find the present age of Anand?
Recent Answer : Added by narendra On 2021-12-25 15:45:35:
let present age of ANAND AND BALA BE( A AND B ) RESPECTIVELY
A.T.Q
(A-10) = 1/3[B-10]. ……… – {1}
given
B = A+ 12 PUTTING IN 1
THEREFORE A-10 = 1/3 (A+2) = A+2 = 3A – 30
2A =32
A=16
Ques:- On a given day, a bank had 16000 cheques returned by customers. Inspection of the first 800 cheques indicated that 100 of those 800 had errors and were therefore the available immediately for data processing. On this basis, hwo many cheques would be available immediately for data processing on that day?
Recent Answer : Added by Admin On 2020-05-17 12:00:25:
Out of 800 cheques 100 are for data processing.
Out of 16000 cheques = (100/800)*16,000 = 2000 cheques
Ques:- in a group,except 18 above 15 yrs of age and 15 r below 50 yrs of age..how many in that group
Recent Answer : Added by Admin On 2020-05-17 12:04:30:
data inadequate
Ques:- A train running at the speed of 60 km/hr crosses a pole in 9 seconds. Find the length of the train?
Recent Answer : Added by Admin On 2022-09-29 15:10:14:
Time =9 seconds
Speed =(60×518) m/sec=(503)m/sec
∴ Speed =DistanceTime
Length of the train (Distance) = (Speed × Time) = (503×9) m=150 m.
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Ques:- The sum of the squares of two consecutive positive integers exceeds their product by 91. Evaluate the integers?
Ques:- The size of the bucket is N kb. The bucket fills at the rate of 0.1 kb per millisecond. A programmer sends a program to receiver. There it waits for 10 milliseconds / and response will be back to programmer in 20 millisecond. How many much time the program takes to get a response back to programmer, after it is sent? Plz explain..
Recent Answer : Added by 9074743593 On 2021-07-29 16:19:39:
30
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Ques:- A man driving the car at twice the speed of auto oneday He was driven car for 10 min. And car is failed. He left The car and took auto to goto the office .He spent 30 min. In the auto. What will be the time take by car to go office?
A. 25
B. 30
C. 35
D. none
Recent Answer : Added by Admin On 2020-05-17 12:05:50:
this is a simple question but the questionaire needs us to
consume time.
speed of car = 2 * speed of auto.
auto takes 30 mins then car should take only 15 mins.
total time = 10 mins + 15 mins = 25 mins = (a)
Ques:- There are 6 people W,H,M,C,G,F who are murderer , victim , judge , police, witness, hangman. There was no eye witness only circumtancial witness. The murderer was sentenced to death. Read following statement and determine who is who. 1. M knew both murderer and victim. 2. Judge asked C to discribe murder incident. 3. W was last to see F alive. 4. Police found G at the murder site. 5. H and W never met.
Recent Answer : Added by Admin On 2020-05-17 11:59:47:
F – Murderer
G – Victim
H – Judge
M – Police
C – Witness
W – Hangman
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Ques:- Two passenger trains start at the same hour in the day from two different stations and move towards each other at the rate of 16 kmph and 21 kmph respectively. When they meet, it is found that one train has traveled 60 km more than the other one. The distance between the two stations is?
Recent Answer : Added by Rudradeb Biswas On 2021-08-16 05:26:57:
444km
Since the speed diff is 5km/h
It takes 12 hrs to cover 60 extra kms
Therefore in 12 hrs the total dist covered is
Relative speed×time=(21+16)×12=444 kms
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Ques:- Find out the wrong number in the series:
3, 8, 15, 24, 34, 48, 63
A. 15
B. 24
C. 34
D. 48
Recent Answer : Added by majd On 2022-08-14 16:44:45:
8-3 = 5
15-8 = 7
24-15 = 9
34-24 = 10 this one should be 35-24 = 11
48 – 34 = 14 based on the correction will be 48-35 = 13
63-48 = 15
the difference will create a series 5,7,9,11,13,15…..etc
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Ques:- A train travelling at a speed of 90 km/hr, crosses a pole in 10 seconds. The length of the train is
A. 100 m
B. 150 m
C. 250 m
D. 900 m
Recent Answer : Added by vineet kumar On 2022-08-14 16:44:48:
Train speed 90 km /h
1st we have to change in m/s. then 90*5/18=25m/s
Then d=speed*time
=25*10=250m train length
avg of 10nos.=23==>23*10=230
if each no increased by 4 ==> 4*10=40
then new avg is giveen by : 230+40=270
270/10=27
hence the new avg =27