86. Six boys are so standing that they form a circle each facing the centre. Manish is to the left of Kaushal. Ashish is between Surya and Saurab. Nitin is between Manish and Surya. Who is to the left of Surya?
(a) Ashish
(b) Saurabh
(c) Nitin
(d) Kaushal
Answer:
(a) Ashish
Explanation:
Constructing the circle clockwise (left): Kaushal (K), Manish (M), Nitin (N), Surya (Su), Ashish (A), Saurabh (Sa). With everyone facing the center, moving left goes clockwise. The person immediately to the left of Surya is Ashish.
87. Find the mean of the first five prime numbers.
(a) 5.6
(b) 6
(c) 6.6
(d) 7.5
Answer:
(a) 5.6
Explanation:
The first five prime numbers are 2, 3, 5, 7, and 11. Their sum is 28. The mean is $28 / 5 = 5.6$.
88. An athlete takes 10 rounds of a rectangular park, 50 m long and 25 m wide. Find the total distance covered by him.
(a) 1.5 km
(b) 15 km
(c) 12 km
(d) 1.2 km
Answer:
(a) 1.5 km
Explanation:
The perimeter of the park is $2 \times (50 + 25) = 150 \text{ m}$. Covering 10 rounds equals $150 \times 10 = 1500 \text{ m}$, which is 1.5 kilometers.
89. Cost of 4 dozens bananas is Rs. 60. How many bananas can be purchased for Rs. 12.50?
(a) 10
(b) 11
(c) 12
(d) 13
Answer:
(a) 10
Explanation:
4 dozen equals 48 bananas. If 48 bananas cost Rs. 60, one banana costs $60 / 48 = \text{Rs. } 1.25$. For Rs. 12.50, you can purchase $12.50 / 1.25 = 10$ bananas.
90. Which word does not belong to others?
(a) Tulip
(b) Rose
(c) Bud
(d) Daisy
Answer:
(c) Bud
Explanation:
Tulip, Rose, and Daisy are specific varieties of fully grown flowers, whereas a “bud” denotes a generalized, unopened stage of a flower.
