RRB NTPC Practice Set-2 for CBT-1 Exam 2025: Welcome to the RRB NTPC Practice Set-1 for the CBT-1 Exam 2024! This practice set is meant to help you prepare for the exam and includes simple questions on major themes that you will see on the examination.
Answering these questions will help you better grasp the test and enhance your abilities. Practice is the greatest way to prepare, so let’s get started and do our best!
RRB NTPC Practice Set-2 for CBT-1 Exam 2025 Important General Math
This Practice Set is a set of multiple-choice questions (MCQs) particularly intended for the RRB NTPC CBT-1 Exam 2025.
The price of cooking oil has increased by 25%. By what percent should a family reduce the consumption of cooking oil so as not to increase the expenditure in this account?
a. 20%
b. 25%
c. 18%
d. 16%
The average of three numbers is 77. The first number is twice the second and the second number is twice the third. Find the first number.
a. 33
b. 66
c. 77
d. 132
Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm respectively are melted to form a single cube. The edge of the new cube is
(a) 12 cm
(b) 24 cm
(c) 18 cm
(d) 20 cm
The perimeter of a trapezium is 52 cm and its each non-parallel side is equal to 10 cm with its height 8 cm. Its area is
(a) 124
(b) 118
(c) 128
(d) 112
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Three coins are tossed simultaneously. The probability of getting at most two heads is
a)3/8
b)1/8
c)7/8
d)NONE OF THESE
The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 9 paise per cm2 is
(A) Rs 2.00 (B) Rs 2.16
(C) Rs 2.48 (D) Rs 3.00
A solid cylinder is melted and cast into a cone of same radius. The heights of the cone and cylinder are in the ratio
(a) 9 : 1
(b) 1 : 9
(c) 3 : 1
(d) 1 : 3
The greatest number that will divide 43,91 and 183 so as to leave the same remainder in each case ..
(A) 4
(B) 7
(C) 9
(D) none of these
In how many years will a sum of ₹ 3,000 yield a simple interest of ₹ 1,080 at 12% per annum ?
a) 3 years
(b) 2(1/2) years
(c) 5 years
(d) none of these
A two-digit number is 4 more than 6 times the sum of its digits. If 18 is subtracted from the number, the digits are reversed, then the number is
(a) 36
(b) 46
(c) 64
(d) none of these
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The first term of an arithmetic progression is unity and the common difference is 4. Which of the following will be a term of this AP ?
(a) 4551
(b) 10091
(c) 7881
(d) 13531
Two identical solid cubes of side a are joined end to end. Then the total surface area of the resulting cuboid is
a) 12a2
(b)10a2
(c) 8a2
(d)11a2
In a circle of radius 21 cm, an arc subtends an angle of 60° at the centre. The area of the sector formed by the arc is:
(a) 200 cm2
(b) 220 cm2
(c) 231 cm2
(d) 250 cm2
The area of triangle with given two sides 18cm and 10cm respectively and perimeter equal to 42 cm is:
a. 20√11 cm2
b. 19√11 cm2
c. 22√11 cm2
d. 21√11 cm2
If the sum of first n terms of an AP is An + Bn2 where A and B are constants, the common difference of AP will be
(a) A + B
(b) A – B
(c) 2A
(d) 2B
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The value of k for which the system of equations x + y – 4 = 0 and 2x + ky = 3, has no solution, is
(a) – 2
(b) ≠ 2
(c) 3
(d) 2
A circular wire of radius 42 cm is cut and bent into the form of a rectangle whose sides are in the ratio of 6 :5. The smaller side of the rectangle is
(a) 30 cm
(b) 60 cm
(c) 70 cm
(d) 80 cm
For what value of p does the pair of equations given below has unique solution??
4x+py+8=0
2x+2y+2=0
a) All values except -4
b) All values except 3
c) All values except 4
d) 4 and -3
If x+𝟏𝒚= 𝟏 and y+𝟏𝒛=1 then the value of z +𝟏𝒙 is equal to
a) 1
b)2
c)-2
d)0
The length of a rectangle is 3/4th of the circumference of a circle. The width of this rectangle is 2/3rd of the circle .The circumference of the circle is 264 cm, then the area of the rectangle is – and DE || BC. Then, length of DE (in cm) is
(a) 2.5
(b) 3
(c) 5
(d) 6
A train is running at the speed of 264 Km/hr. If the length of the train is 330m, then how long will it take to cross a platform which is 330m long ?
A.9 sec
B.11 sec
C.12 sec
D.15 sec
The upper part of a tree is broken by the wind and makes an angle of 30° with the ground. The distance from the foot of the tree to the point where the top touches the ground is 5 m. The height of the tree is
(a) 10√33 m
(b) 5√33 m
(c) √3 m
(d) √3/5 m
The largest number that will divide 398,436 and 542 leaving remainders 7,11 and 15 respectively is
(a) 17
(b) 11
(c) 34
(d) 45
If A and (2A – 45°) are acute angles such that sin A = cos (2A – 45°), then tan A is equal to
(a) 0
(b) 𝟏/√𝟑
(c) 1
(d) √3
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