exam Maths Puzzle Numerical Ability

Multiply
-3(-10)(-7)=

my guess here is -210 but I am not sure

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exam Other Question

There is a pole in a lake. 1/2 of the pole is in the ground, another 1/3 of it is covered with water, and 10ft is out of water. What is the toal length of the pole in ft? There is a total of 352 carrots and radishes. The ratio of carrots to radishes is 5:3. How many are radishes?