Question
In a classroom there are 12 boys and 10 girls. Average
age of each boy and each girl is 22 years and 18 years respectively. The sum of ages of all the boys, girls and a teacher whose age is βxβ years is 500 years. Find the value of βxβ.Solution
Sum of ages of all boys = 12 x 22 = 264 Sum of ages of all girls = 10 x 18 = 180 So, 264 + 180 + x = 500 => x = 56
In a certain code language, 'DESIGN' is coded as 8-10-38-18-14-28 and 'FOREST' is coded as 12-30-36-10-38-40. How will 'PLAYER' be coded in the same lan...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
Select the option that represents the letters that, when placed from left to right in the blanks below, will complete the letter series.
_ T M _ ...
a) Either he is happy or he is poor.
b) He is happy.
Inference : He is poor.
What will come in the place of β?β in the following equation, if β+β and βββ are interchanged and βΓβ and βΓ·β are interchanged?<...
Select the option that represents the letters that, when placed from left to right in the following blanks, will complete the letter-series.
G _ ...
If + means divide, Γ means -, Γ· means multiply and β means plus, then find the value of 9 + 3 Γ· 4 - 8 Γ 2
In a certain code language, 'YATCH' is coded as 67 and 'DINE' is coded as 40. How will 'MANGO' be coded in that language?
Statements:
1. All papers are stationery.
2. Some stationery are books.
3. No book is a pen.
Conclusions :
I. Some...