Ques:- The average of 10 numbers is 23. If each number is increased by 4, what will the new average be?
Ques:- From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first is a red card and the second is a king is -.
Recent Answer : :
Explanation:
Let E1 be the event of drawing a red card.
Let E2 be the event of drawing a king .
P(E1 ∩ E2) = P(E1) . P(E2)
(As E1 and E2 are independent)
= 1/2 * 1/13 = 1/26
Ques:- Two pipes can separately fill a tank in 20 and 30 hours respectively. Both the pipes are opened to fill the tank but when the tank is full, a leak develops in the tank through which one-third of water supplied by both the pipes goes out. What is the total time taken to fill the tank?
Ques:- A clock takes 9 seconds to strike 4 times. In order to strike 12 times at the same rate, the time taken is
A. 27 seconds
B. 29 seconds
C. 33 seconds
D. 36 seconds
Recent Answer : :
9 sec=4 times
x sec=12 times
x=(9*12)/4=27 sec
Ques:- What is efficiency of transformer?
Ques:- What kind of work you did in your previous company?
Ques:- Here are eight words: work, hog, age, less, nut, sheet, Man, water. All but one of them have something in common. What is it and which is the odd word out?
Recent Answer : :
Hog
Ques:- 8400 ? 120 x 15 + 150 = ?
Recent Answer : :
8400 ? 120 x 15 + 150 = ?
ans:
8400 % 120 x 15 + 150 = ?
1200
Ques:- What position do you prefer on a team working on a project?
Ques:- If water is called food, food is called drink, drink is called blue, blue is called red, red is called white and white is called brown, then what is the colour of “blood” ?
A. Blue
B. Red
C. Brown
D. White
E. Drink
Recent Answer : :
red
Ques:- Find the odd man out:
1, 5, 14, 30, 50, 55, 91
1, 5, 14, 30, 50, 55, 91
A. 91
B. 55
C. 50
D. 5
Recent Answer : :
C. 50
Ques:- A square Island surrounded by bigger square, and in between there is infinite depth water. The distance between them is L. The wooden blocks of L are given.The L length block can't be placed in between to cross it, as it will fall in water (just fitting).How would you cross using these L length blocks.
Ques:- Education Qualification, Experience
Ques:- About myself, why American Express?
Ques:- If the probability of observing a car in 30 minutes on a highway is 0.95, what is the probability of observing a car in 10 minutes (assuming constant default probability)?
Ques:- How many mashes are there in 1 squrare meter of wire gauge if each meshis 8mm long and 5mm wide ?(a) 2500(b) 25000(c) 250(d) 250000
Recent Answer : :
B, 8mm x 5 mm = 40 mm^2
1000mm x 1000mm = 1,000,000mm^2
= 1,000,000 mm^2/40mm^2
= 25,000
Ques:- A trader has 100 Kg of wheat, part of which he sells at 5% profit and the rest at 20% profit. He gains 15% on the whole. Find how much is sold at 5% profit?
A. 60
B. 50
C. 66.66
D. 33.3
Recent Answer : :
33.6
Ques:- Two trains are moving in the same directions at 65 km/hr and 45 km/hr. The faster train crosses a man in slower train in 18 seconds. The length of the faster train is
A. 100 m
B. 120 m
C. 145 m
D. 180 m
Recent Answer : :
Relative speed =65-45km/hr
Relative speed=20km/hr
Convert to m/s
S=20*5/18
S=5.555
Length of the faster train =5.55555*18seconds
=100meters
Ques:- ABOUT PAST EXPE. & REASON OF JOB CHANGE
Ques:- 12.05 x 5.4 ? 0.3 = ?
Recent Answer : :
( b ) 216.90
Ques:- Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
A. Baking
B. Steaming
C. Cooking
D. Frying
E. Boiling
Recent Answer : :
Cooking
Ques:- In your opinion, what is the most beautiful math equation ever derived?
Recent Answer : :
obvious
e^(i*pi) + 1 = 0
Ques:- A frog in a well 30 ft deep jumps 3 ft slips 2 ft each day.How many days does take on the whole?
Recent Answer : :
Day 1: 30-3ft = 27+2ft = 29
Day 8: 23 jumps 3ft = 20 slips 2ft = 22
Day 16: 13 jumps 3ft = 10 slips 2ft = 12
Day 24: 3 jumps 3ft = Out?
Ques:- A family I know has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?
Recent Answer : :
4 boy 3 sis
Ques:- What are the disadvantages of the mobile.
Ques:- Where are you working at present?
Ques:- What is the salary of a president, primeminister and thegovernors?
Ques:- Why do you want to leave your organisation.
Ques:- why would u like to join this company?
Ques:- Personal round related experience
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