If "α" denotes "subtracted from", "β" denotes "multiplied by", "θ" denotes "added to" and "δ" denotes "divided by", then 10 θ 8 β 4 δ 8 α 9 = ?

Improve the bracketed part of the sentence.
Neha was (surprised by) her result.

Improve the bracketed part of the sentence.
Father (would have been appreciated) your efforts if you had informed him.

A runner starts running from a point at 6:00 am with a speed of 8 km/hr. Another racer starts from the same point at 8:30 am in the same direction with speed of 10 km/hr. At what time of the day (in p.m.) will the second racer will overtake the other runner?

If "A" denotes "subtracted from", "B" denotes "added to", "C" denotes "divided by", "D" denotes "multiplied by", then which of the following statement is correct?

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P: The recent reduction in interest rates in the US and the injection of liquidity have resulted in investors seeking new avenues such as commodity markets, in view
of the turbulence in financial markets and the low returns in treasuries.
Q: The relatively easy liquidity and low interest rates, by themselves, make holding of inventories attractive and thus induce volatility in commodity markets.
R: The financialisation of commodity trade and current extraordinary conditions in global financial markets could have influenced the spurt in prices.
S: The weakening of the US dollar is also advanced as a reason for the recent volatility in commodity markets, including food items.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P: While the Soviet Government bought grain and other foreign consumer goods to be sold in domestic markets at heavily subsidized rates, Russia rejected
socialism.
Q: The oil industry was the prime target of a sweeping privatization drive launched after the break-up of the Soviet Union.
R: The Russian government has failed to do for its people even a fraction of what the Soviet Union, with twice the population, did with the revenue generated from
oil.
S: However, not all Russian have been rolling in oil wealth.

Improve the bracketed part of the sentence.
I left my job because I did not (agree to) the company's appraisal policies.