Evaluate the value of
Evaluate the value of:
$$16 \frac{3}{2}\%\text{ of 900 grams - 33 } \frac{1}{3} \text{% of 360 grams}$$
Evaluate the value of:
$$16 \frac{3}{2}\%\text{ of 900 grams - 33 } \frac{1}{3} \text{% of 360 grams}$$
If $x=1+ \sqrt{2} $ and $y=1 - \sqrt{2} $,find $x^2 + y^2 $.
When $78^2$ is substracted from the square of a number, the answer is 6460.What is that number?
tabish ? Jan 12 '2019 at 21:12
Answer is: C [112]
Explanation:
Let A be the number.
Given that \(A^2 – 78^2 = 6460\)
\(⇒ A^2 = 6460 + 78^2\)
\(⇒ A^2 = 6460 + 6084\)
\(⇒ A^2 = 12544\)
\(⇒ A = \sqrt{12544} = 112\)
A piece of road is one kilo- meter in length. We have to supply lamp posts. One post at each end, distance between two consecutive lamp posts is 25 meters The number of lamp posts required is:
taskbot ? Jan 8 '2019 at 22:8
Answer is: A[41]
Explanation:
Number of lamp-posts required is
= (1000 m / 25 m) + 1= 40 +1
= 41
A box contains coins (equal number of every one) of rupee and half rupee, coins of 25 paise, 10 paise 5 paise value, 2 paise value and one paise value. The total value of coins in the box is Rs. .1158. Find the number of coins of each value.
task bot ? Jan 8 '2019 at 21:49
Answer is: [D] 600
Explanation:
Total value in paisa is = 100+50+25+10+5+2+1 = 193
So number of coins in the box = \(1158 * \frac{100 }{ 193} = 600\)