MATH CARNIVAL PRELIMINARY ROUND

Select the number from options that can replace the question mark (?) in the following series: 4, 13, 40, ?, 364, 1093

• 180
• 160
• 121
• 150

In the code "FRIEND" is written as "HUMJTK", then "CANDLE" will be written as _______.

• EDRIRL
• DCQHQK
• ESJFME
• LNPRT

In a certain school the ration of boys to girls is 5:7. If there are 2400 students, how many girls are there?

• 1000
• 1200
• 1600
• 1400

How many triangles are there in the given figure?

• 13
• 32
• 21
• 24

X introduces Y saying, "He is the husband of the grand daughter of the father of my father". How Y is related to X?

• Brother
• Uncle
• Co-brother
• Brother-in-law

If "PIPE" is written as 169165, then what is the last digit of "SWAN"?

• 5
• 6
• 4
• 3

Ali's age 3 yrs from now will be double the average of his current age & his age 8 yrs ago. What was his age 5 yrs ago?

• 7
• 8
• 11
• 6

The value of: 32 + 12 × 36 ÷ 4 + 4 − 22 ÷ 11 × 3

• 142
• 138
• 140
• 165

12 men can do a work in 8 days while 4 boys can do it in 40 days. In how many days 9 boys and 3 men will do the same?

• 10 Days
• 80/7 Days
• 280/13 Days
• Never

Osman completed a school project in 20 days. In how many days Ali can complete it if he is 25% more efficient than Dev?

• 10 days
• 12 days
• 5 days
• 16 days