For the following questions answer them individually
The value of $$999\frac{1}{7}+999\frac{2}{7}+999\frac{3}{7}+999\frac{4}{7}+999\frac{5}{7}+999\frac{6}{7}$$ is equal to:
A speaks truth in 75% cases and B in 80% of the cases. In what percentage of cases are they likely to contradict each other, in narrating the same incident?
Amit and Alok attempted to solve a quadratic equation. Amit made a mistake in writing down the constant term and ended up with roots (4, 3). Alok made a mistake in writing down coefficient of x to get roots (3, 2). The correct roots of the equation are:
How many three-digit even numbers can be formed using the digits 1, 2, 3, 4 and 5, when repetition of digits is not allowed?
From the four corners of a rectangular sheet of dimensions $$25cm \times 20cm$$, square of side 2 cm is cut off from four corners and a box is made. The volume of the box is
$$2^{122}+4^{64}+8^{42}+4^{64}+2^{130}$$ is divisible by which one of the following integers?
The cost of fencing of an equilateral triangular park and a square park is the same. If the area of the triangular park is $$16\sqrt{3} m^{2} $$, then the length of the diagonal of the square park is :
The difference between compound and simple interests on a certain sum of money at the interest rate of 10 % per annum for $$1\frac{1}{2}$$ years is ₹183, when the interest is compounded semi-annually, then the sum of money is :
Which of the following statements is/are correct?
A. If $$2^{x}=3^{y}=6^{-z}, then \frac{1}{x}+\frac{1}{y}+\frac{1}{z}=0$$
B. $$(243)^{0.16}\times(9)^{0.1}=0.3$$
C. If $$3.105 \times10^{p}=0.00239 + 0.000715$$, then P = -3
A car owner buys petrol at the rate ₹ 17, ₹ 19 and ₹ 20 per litre, respectively for three consecutive years. Compute the average cost per litre, if he spends ₹ 6,460 per year for the three consecutive years.