8
Q:

# Rajitha has a calculator, which has 10 digits. She want to clean the calculator by removing all the keys and while reassembling it, she interchanged the locations of 3 pairs of keys. For example, if she placed the key ‘3’ in the place of the key ‘7’, she placed the key ‘7’ only in the place of the key ‘3’ and not any other key. All keys that were interchanged corresponded only to numbers. Later, she input some calculations and obtained outputs as provided in the table below. The input is shown in terms of the keys that Kavitapressed, while the output is the output displayed by the calculator.Output:1.   95 + 84=1282.   128 + 64=1953.   912 + 43=9424.   178 + 19=192Question :Which of the following pair of digits is unchanged ?

 A) 9, 0, 3 B) 1, 3, 8 C) 7, 0, 1 D) 2, 4, 1

Explanation:
 0 1 2 3 4 5 6 7 8 9 0 1 4 8 2 6 5 7 3 9

Here pairs interchanged are

2, 4

3, 8

5, 6

Unchanged are 0, 1, 7, 9

Q:

Which statement best compares a line and a point?

 A) A point has no dimension and a line has one dimension. B) A line can have line segments on it whereas a point cannot be on any line segment. C) point is a location whereas a line has several planes located on it D) A line can lie on a plane whereas a point cannot lie on a plane.

Answer & Explanation Answer: A) A point has no dimension and a line has one dimension.

Explanation:

A point has no dimension and a line has one dimension is the statement that best compares a line and a point.

0 43
Q:

9 tens 10 ones equals

 A) 910 B) 90 C) 91 D) 100

Explanation:

9 tens 10 ones equals

=> 9 x 10 + 10 x 1

=> 90 + 10

=> 100.

0 53
Q:

What is the value of 28 tens?

 A) 28 B) 2 C) 2800 D) 280

Explanation:

Here asked for the value of 28 tens

=> 28 x 10 = 280.

1 107
Q:

How many right angles does a square have?

 A) 2 B) 6 C) 4 D) 8

Explanation:

A square and a rectangle each have 4 right (90 deg) angles.

Both square and rctangle have 4 sides and 4 angles, but the only difference is square is a rectangle with all sides equal.

1 144
Q:

What is the distance around a shape called?

 A) Volume B) Area C) Mass D) Perimeter

Explanation:

The distance around a shape or figure I called Perimeter. A perimeter is a path that surrounds a two-dimensional shape.

2 128
Q:

"Compounding frequency" refers to

 A) What type of interest your account earns B) How often your interest is calculated and added back into your account C) What interest rate you can expect from your account D) How easily you can add money into your account

Explanation:

Compounding frequency :

The time periods when interest will be calculated on top of the original loan amount (or) The number of compounding periods in one year.

The greater the compounding frequency, the more often your interest is calculated and added back into your account.

0 173
Q:

How many inches is 5' 4"?

 A) 66 B) 64 C) 62 D) 60

Explanation:

We know 1 feet = 12 inches.

According to the question,

5' 4''  =  5 feet 4 inches = 12 x 5 + 4 = 64 inches.

Hence,  5' 4''  =  5 feet 4 inches = 64 inches.

0 159
Q:

Multiplicative inverse of 0

 A) 0 B) 1 C) infinity D) None of the above