A candidate scoring 25% marks in an examination fails by 30 marks while another candidate who scores 50% marks gets 30 marks more than the pass mark. What is the pass mark?
(A) 33.33
(B) 50
(C) 66.66
(D) 70
(E) None of these

Packet X contains pens, pencils and erasers in the ratio 1:2:3. Packet Y contains pens and pencils in the ratio 4:5. If the total number of pens and pencils in both the packets combined is 13 and 20 respectively, what is the number of erasers in Packet X?

A. 5
B. 6
C. 15
D. 18
E. 20

If (x + 4)(3x + 1) = 3x^2 + x, what is a possible value of x?

(A) 1
(B) 1/2
(C) 1/3
(D) -1/3
(E) -1/2

If (x + 4)(3x + 1) = 3x^2 + x, what is a possible value of x?

(A) 1
(B) 1/2
(C) 1/3
(D) -1/3
(E) -1/2

How many integers x satisfy |2x + 3 | < 6 ?

A. 1

B. 2

C. 6

D. 7

E. 8

Is it possible to reattempt questions of question bank? Like, "restart the test" ?

Two positive integers are in the ratio 7:9. If their highest common factor is 3, then what is the value of their least common multiple?

(A) 126
(B) 189
(C) 252
(D) 315
(E) 378

A perfect cake should have 25% cream and 75% bread. Oman bought material for a 5kg cake with 35% cream and 65% bread. How many more kg of bread should he buy if he wants to make a perfect cake?

A. 2kg
B. 2.5kg
C. 3kg
D. 4kg
E. 5kg

How many integer values of n satisfy the inequality |3 − n| ≤ 4?

A. 4
B. 5
C. 8
D. 9
E. 10

If a and b are both factors of 50, which of the following must be true?

(A) ab≥ 2
(B) a + b≤ 50
(C) ab is a factor of 100.
(D) ab is a factor of 2500.
(E) ab is even.