by shivamtripathi22 | Jun 27, 2025 | Uncategorized
1. Find the remainder of (frac{{18 + 17 – 15 + 130 + 138 – 178}}{{16}}) View Solution 2. Find the remainder of (frac{{1576 + 3039 + 1214}}{{15}}) View Solution 3. Find the remainder of (frac{{71 + 80 + 89 – 107}}{9}) View Solution 4. Find the...
by shivamtripathi22 | Jun 27, 2025 | Uncategorized
1. Find the remainder of (frac{{18 + 17 – 15 + 130 + 138 –...
by shivamtripathi22 | Jun 27, 2025 | Uncategorized
1. Find the unit digit of product of all odd prime numbers. View Solution 2. Find the unit digit of 583 × 782 ×216 × 424 View Solution 3. Find the unit digit of product of all even numbers. View Solution 4. Find the unit digit of 5! View Solution 5. Find the unit...
by shivamtripathi22 | Jun 27, 2025 | Uncategorized
1. Find the unit digit of product of all odd prime numbers.Sol:We know that if we multiply by 5 to any odd prime number the result will always give unit digit 5.Hence required unit digit will be 5. Answer Video Solution on Youtube 2. Find the unit digit of 583 ×...
by shivamtripathi22 | Jun 27, 2025 | Uncategorized
1. The speed of the current is 5 km/h. A boat goes 10 km upstream and back again to the starting point in 50 min. Find the speed of the boat in still water.Sol:d = 10w = 5T = 50 min = (frac{5}{6}) hourd = (frac{{{B^2} – {W^2}}}{{2B}} times T)10 = (frac{{{B^2}...
by shivamtripathi22 | Jun 27, 2025 | Uncategorized
1. The speed of the current is 5 km/h. A boat goes 10 km upstream and back again to the starting point in 50 min. Find the speed of the boat in still water. View Solution 2. In a fixed time, a boy swims (frac{5}{2}) times the distance along the current that he swims...
