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Questions and Answers
What will be the average of the first ten even numbers?
What will be the average of the first ten even numbers?
- 12.5 (correct)
- 11
- 9
- 10
If Q means 'to add', J means 'multiply', T means 'subtract' and K means 'divide by', then what will be the value of 30 K 2 Q 3 J 6 T 5?
If Q means 'to add', J means 'multiply', T means 'subtract' and K means 'divide by', then what will be the value of 30 K 2 Q 3 J 6 T 5?
- 28 (correct)
- 29
- 40
- 35
If ÷ means ×, – means +, × means – and + means ÷, then what will be the value of 20 + 4 × 6 - 5 ÷ 7?
If ÷ means ×, – means +, × means – and + means ÷, then what will be the value of 20 + 4 × 6 - 5 ÷ 7?
- 36
- 34
- 28
- 32 (correct)
Which of the following is a prime number?
Which of the following is a prime number?
If θ = 90°, then what is the value of sinθ - cosθ?
If θ = 90°, then what is the value of sinθ - cosθ?
What type of number is 5 + 3√2?
What type of number is 5 + 3√2?
If x = a, y = b are solutions of the equations x - y = 2 and x + y = 4, then what are the values of a and b respectively?
If x = a, y = b are solutions of the equations x - y = 2 and x + y = 4, then what are the values of a and b respectively?
What comes next in the sequence: 36, 34, 30, 28, 24,...?
What comes next in the sequence: 36, 34, 30, 28, 24,...?
What are the factors of (m3 – 4m)?
What are the factors of (m3 – 4m)?
If the average weight of 8 men increases by 1.5 kg when a new male replaces the man weighing 65 kg, what is the weight of the new person?
If the average weight of 8 men increases by 1.5 kg when a new male replaces the man weighing 65 kg, what is the weight of the new person?
How many bricks of 20 cm × 10 cm can be used to make a floor of 25 m × 16 m?
How many bricks of 20 cm × 10 cm can be used to make a floor of 25 m × 16 m?
Two trains are running in opposite directions with velocities of 40 km/h and 50 km/h respectively. How long will it take for them to cross each other?
Two trains are running in opposite directions with velocities of 40 km/h and 50 km/h respectively. How long will it take for them to cross each other?
In an examination, 38% of the candidates failed in General Knowledge, 29% of the candidates failed in Mathematics and 10% of the candidates failed in both. What percentage of the candidates will pass in both the subjects?
In an examination, 38% of the candidates failed in General Knowledge, 29% of the candidates failed in Mathematics and 10% of the candidates failed in both. What percentage of the candidates will pass in both the subjects?
What is the value of 0.000033 / 0.11?
What is the value of 0.000033 / 0.11?
Which of the following is a prime number?
Which of the following is a prime number?
If a person travels 25 km in 5 hours and 30 minutes, what is his speed?
If a person travels 25 km in 5 hours and 30 minutes, what is his speed?
If 25% of a number is 15, what is the number?
If 25% of a number is 15, what is the number?
If a ratio of two quantities is 3:4, what is the ratio of their reciprocals?
If a ratio of two quantities is 3:4, what is the ratio of their reciprocals?
If the present population of a city is 140000, what will be the approximate population after three years?
If the present population of a city is 140000, what will be the approximate population after three years?
A 108 meter long train crosses an electric pole in 20 seconds. What is the speed of the train?
A 108 meter long train crosses an electric pole in 20 seconds. What is the speed of the train?
A table costing Rs. 750 was sold at 4% loss. What was its selling price?
A table costing Rs. 750 was sold at 4% loss. What was its selling price?
The average age of 15 boys in a class is 11 years. If 5 more boys of 9 years old join the class, then their average age now will be –
The average age of 15 boys in a class is 11 years. If 5 more boys of 9 years old join the class, then their average age now will be –
If the cost price of 18 articles is equal to the selling price of 15 articles, find the percentage profit.
If the cost price of 18 articles is equal to the selling price of 15 articles, find the percentage profit.
Ram is 14th from the top and 18th from the bottom in his row, then how many students are there in the row?
Ram is 14th from the top and 18th from the bottom in his row, then how many students are there in the row?
If the cost price of 15 articles is equal to the selling price of 12 articles, find the percentage profit.
If the cost price of 15 articles is equal to the selling price of 12 articles, find the percentage profit.
A train travels 108 meters in 20 seconds. What is the speed of the train in Km/hr?
A train travels 108 meters in 20 seconds. What is the speed of the train in Km/hr?
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Description
Solve two maths problems: find the average of the first ten even numbers and evaluate an expression using given operations.
