Question
What will be the angle formed between the hour hand and
minute hand of a clock at 5hrs. 46min.?Solution
Formula to find the angle between hour hand and minute hand is: Angle = | (11 × minutes - 60 × hours)/2 | Here, minutes= 46, Hours= 5. Angle = | (11 × 46 - 60 × 5)/2 |° Angle = | (506–300)/2 |° Angle = 206/2= 103°
Simplify the following expression: (5x + 7) 2  + (5x – 7) 2 .
- The sum of the present age of 'T' and 'O' is 60 years. The ratio of the age of 'T' and 'O' before 10 years is 3:5 respectively. Find the age of 'O' after 1...
A boat covers a distance of 45 km in still water in 2.5 hours. The ratio of its speed while traveling upstream to its speed while traveling downstream i...
- If x = 6 and y = -2, then find the value of (4x 2  – 3y 3  + 2y 4  – x 3 )
Three bells ring at intervals of 28 seconds, 60 seconds, and 84 seconds, respectively. How many times will all three bells ring together in a span of 10...
Vikas invested Rs. 12,000 at an annual compound interest rate of 30%, with the interest being compounded every 10 months. How much interest did Vikas ea...
- Ram has Rs. 1000 in denomination of Rs. 2, Rs. 5 and Rs. 10 only. If the ratio of number of coins of Rs. 2, Rs. 5 and Rs. 10 is 5:3:10 respectively. Find t...
If in the number 86548246, 3 is subtracted to first four digit of the number and 1 is added to rest of the digits then how many digits are repeating in ...
'A' and 'B' together build a wall in 48 days. If 'A' builds the wall in 120 days, then find the time taken by 'B' to build the wall.
A boat has a speed of 30 km/h in still water. In a particular stream, the boat's downstream speed is 50% faster than its speed upstream. What is the spe...
