# Aptitude & Logical Reasoning Quiz – 28

#### Which word does NOT belong with the others?

Explanation:
The guitar, violin, and cello are stringed instruments; the flute is a wind instrument.

#### Look at the pattern carefully, and then choose which pair of numbers comes next. 42 40 38 35 33 31 28

Explanation:
This is an alternating subtraction series in which 2 is subtracted twice, then 3 is subtracted once, then 2 is subtracted twice, and so on.

#### In each question below a sentence broken into five or six parts. Join these parts to make a meaningful sentence. The correct order of parts is the answer. I Immediately Salary My Want

Explanation:
"I want my salary immediately."

#### The banker's discount on Rs. 1600 at 15% per annum is the same as true discount on Rs. 1680 for the same time and at the same rate. The time is:

Explanation:
S.I. on Rs. 1600 = T.D. on Rs. 1680.
Rs. 1600 is the P.W. of Rs. 1680, i.e., Rs. 80 is on Rs. 1600 at 15%.
Time = (100 x 80 / 1600 x 15) year =1/3 year = 4 months.

#### The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?

Explanation:
Let the ten's digit be x and unit's digit be y.
Then, (10x + y) - (10y + x) = 36
9(x - y) = 36
x - y = 4.