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52 Views

Question : In an examination, the average marks obtained by the girls of a class is 85 and the average marks obtained by the boys of the same class is 87. If the girls and boys are in the ratio of 4 : 5, the average marks of the whole class (approximately) are closest to:

Option 1: 85.9

Option 2: 86.1

Option 3: 86.4

Option 4: 86.5

Team Careers360 19th Jan, 2024

Correct Answer: 86.1


Solution : Given: Ratio of girls : boys = 4 : 5
Average marks obtained by the girls = 85
Average marks obtained by the boys = 87
Required average $=\frac{(4×85)+(5×87)}{4+5}= \frac{340 + 435}{9}= \frac{775}{9} = 86.1$
Hence, the correct answer is 86.1.

47 Views

Question : A man invested INR 4,500 at 5% per annum and INR 5,500 at 8% per annum simple interest. Both investments were for 4 years each. The amount received from the lower rate of interest is what percent (rounded off to the nearest integer) of the amount received from the higher rate of interest?

Option 1: 63%

Option 2: 74%

Option 3: 51%

Option 4: 48%

Team Careers360 24th Jan, 2024

Correct Answer: 74%


Solution : A man invested Rs. 4,500 at 5% per annum and Rs. 5,500 at 8% per annum simple interest.
For the first investment,
Time = 4 years
Principal = Rs. 4,500
Rate = 5% per annum
Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$ = $\frac{4500

20 Views

Question : The diameter of a circle is $\frac{7}{4}$ times the base of a triangle, and the height of the triangle is 14 cm. If the area of the triangle is 56 cm2, then what is the circumference (in m) of the circle? (Use $\pi=\frac{22}{7}$)

Option 1: 0.44 m

Option 2: 2.46 m

Option 3: 0.48 m

Option 4: 1.74 m

Team Careers360 19th Jan, 2024

Correct Answer: 0.44 m


Solution : Given: The diameter of a circle is $\frac{7}{4}$ times the base of a triangle, and the height of the triangle is 14 cm.
The area of the triangle is 56 cm2.
Use the formulas,
The diameter of the circle = $2r$,
The

9 Views

Question : Directions: Four pairs of letter clusters have been given out of which three are alike in some manner, while one is different. Choose the odd one.

Option 1: NVH–KUK

Option 2: REA–ODD

Option 3: CWX– AVZ

Option 4: TXB–QWE

Team Careers360 22nd Jan, 2024

Correct Answer: CWX– AVZ


Solution : Let's check each option –
First option:  NVH–KUK; N – 3, V – 1, H + 3 = KUK
Second option REA–ODD; R – 3, E – 1, D + 3 = ODD
Third option: CWX–AVZ; C – 2, W – 1, X +

11 Views

Question : Select the wrongly spelt word.

Option 1: incorrect

Option 2: increament

Option 3: incubate

Option 4: incorporate

Team Careers360 19th Jan, 2024

Correct Answer: increament


Solution : The correct choice is the second option.

The given word "increament" is incorrectly spelt, which contains an extra letter "a". The correct spelling of the word is increment.

Increment refers to an increase or addition, especially a small, gradual one. It signifies a step-by-step

10 Views

Question : Directions: The following bar chart represents the number of first-year B.Com. students of St. Xavier's College using different company's smartphones.


What percentage of girls are using the smartphones of Nokia?

Option 1: 33.58%

Option 2: 32.58%

Option 3: 30.58%

Option 4: 31.58%

Team Careers360 24th Jan, 2024

Correct Answer: 31.58%


Solution : As per the given graph,
The number of girls using smartphones $=180+60+120+20=380$
The number of girls using the smartphones of Nokia $=120$
The required percentage $=\frac{120}{380}×100=31.58$%
Hence, the correct answer is 31.58%.

14 Views

Question : Select the most appropriate meaning of the given idiom.

To smell a rat

Option 1: To suspect something

Option 2: To catch someone during a crime

Option 3: To leave things undisturbed

Option 4: To detect a dead rat

Team Careers360 23rd Jan, 2024

Correct Answer: To suspect something


Solution : The correct choice is the first option.

To smell a rat means to suspect something or to recognise something is not as it appears to be.

Therefore, the correct answer is, to suspect something.

16 Views

Question : Directions: Five students A, M, C, Y and G are sitting around a circular table facing outside the center not necessarily in the same order. M sits to the immediate left of A and the immediate right of G. Y is not an immediate neighbour of A. Who sits second left of G?

Option 1: Y

Option 2: M

Option 3: A

Option 4: C

Team Careers360 24th Jan, 2024

Correct Answer: C


Solution : Given:
(I) Five students A, M, C, Y and G are sitting around a circular table facing outside the centre.
(II) M sits to the immediate left of A and the immediate right of G.


(III) Y is not an immediate neighbour of A.

So,

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