Aqua regia is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio of 3:1. · It can dissolve gold, even though neither of these acids can do so alone. · Aqua regia is a highly corrosive, fuming liquid. · It is one of the few reagents that can dissolve gold and platinum.
The contributions made by A and B are in the ratio of 3:2. If 5% of total profit is donated and A gets 8550 as his share of profit, what is the total pr...
Anuj's salary is twice the salary of Manoj. Ramnathan's salary is half the salary of Vikram. Manoj's salary is ₹15,000 less than the salary of Ramnath...
A question and two statements labeled (I), (II) are given. You have to decide which statement(s) is/are sufficient to answer the question.
Gowth...
The number of boys in a class is five times the number of girls. Which of the following numbers cannot represent the total number of children in the class?
If 4539 = 540, 758 = 280, and 3745 = 420, then 2788 =___.
A man complete a journey in 15 hours. He travels first half of the journey at the rate of 6 km/hr and second half at the rate of 4 km/hr. Find the total...
The price of sugar having gone down by 20% one can buy 6.4kg more for Rs 512. Find the ratio between the original and the reduced price (per kg)?
There are five friends, P, Q, R, S and T. P says to Q, “If you give me Rs 300, you will have as many as I have at this moment. If S takes Rs 500 f...
If + means divide, × means -, ÷ means multiply and – means plus, then find the value of 9 + 3 ÷ 4 - 8 × 2
If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression: 126 × 14 –...
