Question
The average height of 14 students in a group is (x +
12). If the average of the first seven students is 140 cm and the average of the remaining seven students is 160 cm, find the value of (x + 22).Solution
According to the question, The average height of 14 students = (x + 12) = 14 * (x + 12) The total height of first seven students = 7 * 140 = 980 The total height of last seven students = 7 * 160 = 1120 980 + 1120 = 14 * (x + 12) 2100 = 14(x + 12) 150 = x + 12 x = 138 x + 22 = 160
In which of the state the ‘Zawar Mines’ are located?
Which article of the Indian Constitution establishes Hindi in Devanagari script as the official language of the Union?
P-Notes are instruments issued by registered FII to overseas investors, who wish to invest in the Indian stock markets without registering themselves w...
Uttarakhand Khadi and Village Industries Board has 4 subordinate regional offices, which of the following is not one of them?
Suppliers and Creditors of a firm are interested in
Consider the following statements:
1. Gold exchange traded funds are better for tax saving as compared to physical gold.
2. Increase in in...
Who is the pioneer female leader of the Central Industrial Security Force (CISF)?
Which of the following statements is/are incorrect about PMKVY?
The 2019 IAAF World Athletics Championships was the 17th edition of the biennial, global athletics competition organized by the International Associatio...
Match List-I with List-II and choose the correct answer from the codes given below:
