What is the reflection of the point (-2, 5) in the line x = -1?
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What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?
A fraction is greater than its reciprocal by (72)/(77). What is the fraction?
If a3+ b3 = 19 and a + b = 1, then what is the value of ab?
If x/3 - [5(7x/5 - 4/3)]/2 = -x/6, then what is the value of x?
If in 2 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs 7000 in 3 years at the same rate?
To cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?
What is the value of 10% of 150% of 400?