Which of the following metals are toxic to humans even at low concentrations
Options:
1. Arsenic
2. Lead
3. Iron
4. Selenium
The correct answer is B
When the average age of a husband and wife and their son was 44 years, the son got married and a child was born just one year after their marriage. When...
Average of four numbers is 16. Sum of smallest and largest number is 48. If difference between other two numbers is 2, then find the square of second sm...
The certain sum amounts to Rs11313.5 in 2(1/2) years at 12% p.a., interest compounded 10 months. The sum (in Rs) is:
In a school with 400 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 ...
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The average cost price of 14 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.80. ...
Average weight of Shikhar, Rohit and Virat is 72 kg. Hardik joins the group and the average now becomes 65 kg. If Dhoni whose weight is 8 kg more than ...
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The average cost of three chairs is Rs.11000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th
