QUESTION OF THE DAY:

In an engineering department of a college 55% of the students are boys. On a particular day, 60% of the girl students were present. What was the fraction of boys who were present that day if total number of students present that day was 75%.

a. 48/75 
b. 48/55
c. 48/27
d. 48/65
e. Can’t be determined

FOOD FOR THOUGHT:

QUESTION OF THE DAY:

What is number of non prime factors of 368?

FOOD FOR THOUGHT:

QUESTION OF THE DAY:

What will be the next number in the series
2, 11, 46, 137,.....

FOOD FO THOUGHT:

QUESTION OF THE DAY:

An article was sold for `60 for a loss. Had it been sold for `81 the gain amount would have been 3/4th of the former loss amount. What is the cost of the article?

(a) 504 
(b) 144
(c) 72
(d) 172
(e) 141

Answer and Explanation:

In mutiple choice questions, it always helps to analyse the answer options. Here clearly the cost of the article lies between 60 and 81. The only answer option which satisfies this criteria is c. 72.

FOOD FOR THOUGHT:

QUESTION OF THE DAY:

Six boys and six girls sit along a line alternatively in x ways and along a circle again alternately in y ways, then
a) x = y 
b) y = 12x 
c) x = 10y
d) 16x = y
e) x = 12y

FOOD FOR THOUGHT:

QUESTION OF THE DAY:

The number of arrangements of the letters of the word BANANA in which the A’s do not appear adjacently is —

a) 40 
b) 48
c) 30
d) 32
e) 12

Answer and Explanation:

The different ways of arrangement are :
A __ A __ __ A arrangement = = 3 ways.
A __ A __ A __ arrangement = 3 ways.
__ A __ A __ A arrangement = 3 ways.
A __ __ A __ A arrangement = 3 ways.

So total of 12 ways.

FOOD FOR THOUGHT:

QUESTION OF THE DAY:

If none of the digits 0, 1, 2, 3, 4 be repeated, how many numbers of five significant digits can be formed with them? How many of them are divisible by 4?

a) 96, 24 
b) 72, 30
c) 96, 30
d) 72, 24
e) 72, 36

Answer & Explanation:

Part—(1) ® 5! – 4! = 96

Part–(2) ® Last two digits can be 12, 20, 24, 32, 40

                \ No. of nos. = 4+3!+4+4+3!= 24.

FOOD FOR THOUGHT:

QUESTION OF THE DAY:

What is the number of prime factors of 368?

FOOD FOR THOUGHT:

QUESTION OF THE DAY: (14/03/16)

A quadratic function f (x) attains a minimum of –5 at x = 1. The value of the function at x = 0 is –4. What is the value of f(x) at x = 8?

a) 55 
b) 44
c) 33
d) 88
e) 99

JUST FOR FUN:

QUESTION OF THE DAY:

What is the unit digit of 1! + 2! + 3! + …. + 88!?

a) 3 
b) 1
c) 5
d) 6
e) 0

Answer and explanation:
The correct answer is a.3 . All numbers 5! and above will have a zero at the end.

VOCAB TESTER:

What is the meaning of the word "STRINGENT"?
a. Liberal
b. Harsh
c. Spendthrift
d. Gorgeous

FOOD FOR THOUGHT:

QUESTION OF THE DAY: (09/03/16)

The perimeter of a triangle is 12cm, how many triangles are possible to draw.

a) 2 
b) 3
c) 4
d) 5
e) 6

FOOD FOR THOUGHT:

VOCAB TESTER:

What is the most appropriate meaning of the word "Covetousness"?

a. Cowardness
b. Desire
c. Secrecy
d. Beauty

The correct answer is b. Desire.

FOOD FOR THOUGHT:

QUESTION OF THE DAY: (08/03/16)

What is the highest power of 3 which will exactly divide 80! ?

Answer & Explanation:

80/3= 26

26/3=8

8/3=2

The sum of combined powers of 3 = 26+8+2= 36

So the highest power of 3 which will exactly divide 80! Will be 36.

FOOD FOR THOUGHT:

QUESTION OF THE DAY: (05/03/16)

What is the number of diagonals in a polygon of 16 sides?

Answer:

The required answer = 16C2- 16= 104.

FOOD FOR THOUGHT

QUESTION OF THE DAY (04/03/16)

If the number 1234......9899100101102 (first 102 natural no.s written in order) is divided by 16, what will be the remainder?

FOOD FOR THOUGHT:

QUESTION OF THE DAY: (03/03/2016)

What is the probability that in a throw of two dice, the outcome will be a multiple of either 4 or 7?

Answer & Explanation:

The possible favorable outcomes must have sum of digits as 4, 8 or 7. Such outcomes are:

(1,3), (2,2),(3,1),

(2,6), (3,5), (4,4), (5,3), (6,2),

(1,6),(2,5), (3,4), (4,3), (5,2), (6,1)

The total number of such outcomes= 3+5+6= 14

Required probability= 14/36= 7/18.