81) If three numbers are in the ratio of 1:3:5 and their sum is 10,800. Find the largest of the three numbers.
A) 1200
B) 3600
C) 6000
D) 5400
82) Select the correct set of symbols:
64 4 5 8 = 88
A) x, –, ÷
B) +, ÷, –
C) +, –, ÷
D) ÷, ×, +
83) On which lake is the Golden Temple located?
A) Amrit Sarovar Lake
B) Golden Lake
C) Harike Lake
D) Sukhna Lake
84) Use the following passage for the questions based on it.
Rahul and Kusum are good in Hindi and Maths. Sameer and Rahul are good in Hindi and Biology. Gita and Kusum are good in Marathi and Maths. Sameer, Gita and Mihir are good in History and Biology.
Who is good in both Biology and Marathi?
A) Gita
B) Kusum
C) Sameer
D) Mihir
85) The cost of 2 pencil, 4 pens and 8 erasers is Rs. 12 and the cost of 8 pens, 10 pencils and 4 erasers is Rs. 36. How much will 3 pencils, 3 pens and 3 erasers cost?
A) Rs. 10
B) Rs. 15
C) Rs. 12
D) Rs. 18