If the cost price of an item is Rs. 400 and it is sold at a loss of 15%, what is the selling price?
Loss = 15% of 400 = 60. Selling Price = 400 - 60 = Rs. 340
Two pipes A and B can fill a tank in 12 hours and 18 hours respectively. If both pipes are opened together, how long will it take to fill the tank?
Rate of A = 121 per hour. Rate of B = 181 per hour. Combined rate = 121 + 181 = 363 + 362 = 365. Time = 536 = 7.2 hours
A person spends 30% of his income on food, 40% on rent, and 20% on utilities. If his remaining income is Rs. 5,000, what is his total income?
Percentage spent = 30 + 40 + 20 = 90%. Remaining = 10% = 5,000. Total income = 5,000 × 10 = Rs. 50,000
A shopkeeper marks up goods by 50% and gives a discount of 20%. What is his profit percentage?
Let CP = 100. Marked Price = 150. After 20% discount: SP = 150 × 0.8 = 120. Profit = 20%
A bag contains 5 red balls, 7 blue balls, and 8 green balls. What is the probability of drawing a red ball?
Total balls = 5 + 7 + 8 = 20. Probability of red = 205 = 41
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If a sequence is 2, 5, 10, 17, 26, what is the next number?
Differences: 3, 5, 7, 9... next difference is 11. So 26 + 11 = 37
A man's age is 3 times his son's age. After 10 years, his age will be 2 times his son's age. What is the son's current age?
Let son's age = x. Man's age = 3x. After 10 years: 3x + 10 = 2(x + 10). 3x + 10 = 2x + 20. x = 10
If (a + b)² = 64 and ab = 15, what is a² + b²?
(a + b)² = a² + 2ab + b². 64 = a² + b² + 30. a² + b² = 34
Find the missing number in the series: 1, 1, 2, 3, 5, 8, ?, 21
This is the Fibonacci series where each number is the sum of the previous two. 5 + 8 = 13
In a class, 60% students passed in Math, 70% passed in Science, and 50% passed in both. What percentage of students failed in both subjects?
Passed in at least one = 60 + 70 - 50 = 80%. Failed in both = 100 - 80 = 20%
Two persons A and B invest Rs. 2000 and Rs. 3000 respectively in a business. If the profit is Rs. 5000, how much profit does A get?
Ratio = 2000:3000 = 2:3. A's share = (52) × 5000 = Rs. 2000
Complete the analogy: Clock is to Time as Thermometer is to ?
Clock measures time. Thermometer measures temperature. The relationship is the same.
If all birds can fly and all eagles are birds, then all eagles can fly. This is an example of which type of reasoning?
This follows a logical structure (syllogism) from general premise to specific conclusion, which is deductive reasoning.
In a row of 10 people, if Ramesh is 7th from the left, what is his position from the right?
Position from right = Total - Position from left + 1 = 10 - 7 + 1 = 4
Which option follows the logical pattern? 2-4-6, 3-6-9, 4-8-12, 5-?-?
Pattern: Each set is n, 2n, 3n. For 5, it should be 5, 10, 15
If APPLE is coded as 1-16-16-12-5, how is ORANGE coded?
Each letter is coded by its position in the alphabet. O=15, R=18, A=1, N=14, G=7, E=5
Find the odd one out: 121, 144, 169, 196, 220
121(11²), 144(12²), 169(13²), 196(14²) are perfect squares. 220 is not a perfect square.
Statement: All managers are leaders. Some employees are managers. Conclusion: All employees are leaders.
Some employees are managers, but not all. So we cannot conclude that all employees are leaders.
Which word is most similar in meaning to 'Ephemeral'?
Ephemeral means short-lived or temporary. Transient has the same meaning. Other options mean lasting or permanent.
Choose the word that is opposite in meaning to 'Verbose':
Verbose means using many words. Laconic means brief or using few words - the opposite meaning.
