If a number is increased by 20% and then decreased by 20%, what is the net change?
A No change B 4% decrease C 4% increase D 2% decrease
Let the number be 100. After 20% increase: 120. After 20% decrease of 120: 120 × 0.8 = 96. Net change = 96 - 100 = -4, which is 4% decrease.
A merchant bought goods for Rs. 400 and marked them at 40% above the cost price. He gave a 10% discount. What is his profit percentage?
A 26% B 30% C 25% D 20%
Cost price = 400. Marked price = 400 × 1.40 = 560. Selling price = 560 × 0.90 = 504. Profit = 504 - 400 = 104. Profit % = (400 104 ) × 100 = 26%.
If 5 men can do a work in 12 days, how many men are needed to do the same work in 3 days?
A 15 men B 20 men C 25 men D 30 men
Work = 5 × 12 = 60 man-days. For 3 days: Men needed = 3 60 = 20 men.
What is the LCM of 24, 36, and 48?
A 144 B 120 C 96 D 72
24 = 2^3 × 3, 36 = 2^2 × 3^2, 48 = 2^4 × 3. LCM = 2^4 × 3^2 = 16 × 9 = 144.
A person invests Rs. 10,000 at 10% per annum for 2 years. What is the compound interest?
A Rs. 2,000 B Rs. 2,100 C Rs. 2,050 D Rs. 1,950
CI = P(1+R/100)^T - P = 10000(1.1)^2 - 10000 = 10000(1.21) - 10000 = 12100 - 10000 = 2100.
Find the odd one out: 12, 24, 36, 48, 62
A 12 B 24 C 36 D 62
12, 24, 36, 48 are all multiples of 12. 62 is not a multiple of 12.
A clock shows 3:00. What is the angle between the hour and minute hands?
A 60° B 90° C 120° D 45°
At 3:00, the minute hand is at 12 and hour hand is at 3. Each hour represents 30° (360°/12). Angle = 3 × 30° = 90°.
If x^2 + 5x + 6 = 0, what are the roots?
A -2 and -3 B 2 and 3 C -1 and -6 D 1 and 6
x^2 + 5x + 6 = (x+2)(x+3) = 0. So x = -2 or x = -3.
What is 25% of 60% of 1000?
A 150 B 250 C 300 D 200
60% of 1000 = 600. 25% of 600 = 150.
A man walks 4 km north, then 3 km east, then 4 km south. How far is he from the starting point?
A 3 km B 5 km C 7 km D 4 km
Net displacement north: 4-4 = 0. Net displacement east: 3. Distance from starting point = 3 km.
What is the square root of 169?
A 13 B 14 C 15 D 12
Complete the series: AZ, BY, CX, DW, ?
A EV B EU C FU D EW
First letter increases: A→B→C→D→E. Second letter decreases: Z→Y→X→W→V. Answer is EV.
What is the antonym of 'Benevolent'?
A Generous B Malevolent C Kind D Helpful
Benevolent means kind and generous. Malevolent means evil or harmful, which is the opposite.
Choose the correct spelling:
A Occassion B Occasion C Ocasion D Occassion
The correct spelling is 'Occasion' with two c's and one s in the middle.
Fill in the blank: He is not only intelligent _____ also very creative.
A but B as C and D than
The correlative conjunction 'not only...but also' is used here. 'But' is the correct answer.
What is a synonym for 'Meticulous'?
A Careless B Careful C Rough D Hasty
Meticulous means very careful and precise. Careful is the best synonym.
What does 'Ambiguous' mean?
A Clear and definite B Able to walk around C Open to more than one interpretation D Without any doubt
Ambiguous means unclear or open to multiple interpretations.
What is the difference between 'Advice' and 'Advise'?
A No difference B Advice is a noun, Advise is a verb C Advice is a verb, Advise is a noun D They are used interchangeably
Advice (noun): an opinion or recommendation. Advise (verb): to give advice or recommend.
What is a 'Paradigm'?
A A type of disease B A typical example or pattern C A mathematical formula D An old building
A paradigm is a typical example, pattern, or model of something.
Which of the following is the correct use of an apostrophe?
A The dogs bone is large B The dog's bone is large C The dogs' bone is large D The dog bone's is large
The apostrophe in 'dog's' indicates possession. The bone belongs to the dog.