RRB NTPC Mathematics Quiz : 21st November

Q1.      The sum of a proper fraction and its reciprocal is 130/63. Find the fraction.

(a) 5/7

(b) 7/9

(c) 6/7

(d) 9/14

Q2.      Sum of four consecutive odd numbers is 416. Find the largest number.

(a) 51

(b) 57

(c) 63

(d) 47

Q3.      If  then find the value of ‘x’.

(a) 6

(b) 4

(c) 5

(d) 3

Q4.      Kishan and Pooja have total 68 candies. If Kishan has 26 candies more than Pooja, then find the total number of candies Kishan have?

(a) 19

(b) 59

(c) 47

(d) 52

Q5.      Triangle ABC as shown in the figure has line XY parallel to the BC and the line BY is the bisector of angle XYC. Which of the following option is correct?

(a) BC=XY

(b) BC=YC

(c) BC=BY

(d) XY=BX

Q6.      Analyze the figure shown below in which DE || BC and the other dimensions are as follows: AD=3 cm, BD=4 cm, AE=4.4 cm and DE=6 cm. Calculate the length (in cm) of BC.

(a) 6

(b) 8

(c) 12

(d) 14

Q7.      Two numbers are more than the third number by 21.25% and 36% respectively. First number is what percentage of the second number?

(a) 84.68

(b) 89.15

(c) 85.65

(d)61.25

Q8.      If a : b = b : c, then what is the value of a⁴ :  v⁴?

(a) a² :cb

(b) a² : c²

(c) a² b : c³

(d) a : c

Q9.      R and S started a business by investing Rs 153000 and Rs 195000  respectively for the same period of time. If R’s share in the profit earned by them is Rs17000, then what is the total profit (in Rs) earned by both of them together?

(a) 36586.54

(b) 46156.54

(c) 38666.67

(d) 39665.36

Q10.    The average of 17 numbers is 69. If four numbers 68, 57, 71 and 85 are removed then what will be the average of remaining numbers?

(a) 68.615

(b) 69.5

(c) 72.5

(d)68.375