Question: Some Presbyterian traditions adopt only the Westminster Confession of Faith as the doctrinal standard to which teaching elders are required to subscribe, in contrast to the Larger and Shorter catechisms, which are approved for use in instruction. Many Presbyterian denominations, especially in North America, have adopted all of the Westminster Standards as their standard of doctrine which is subordinate to the Bible. These documents are Calvinistic in their doctrinal orientation. The Presbyterian Church in Canada retains the Westminster Confession of Faith in its original form, while admitting the historical period in which it was written should be understood when it is read.
Is there an answer to this question: What traditions do some Presbyterian churches only adopt as their doctrinal standard?

Answer: Westminster Confession of Faith

Question: One of the characteristics of BYU most often pointed out is its reputation for emphasizing a "marriage culture". Members of The Church of Jesus Christ of Latter-day Saints highly value marriage and family, especially marriage within the faith. Approximately 51 percent of the graduates in BYU's class of 2005 were married. This is compared to a national marriage average among college graduates of 11 percent. BYU students on average marry at the age of 22, according to a 2005 study, while the national average age is 25 years for men and 27 years for women.
Is there an answer to this question: What percentage of BYU's class of 2005 were married?

Answer: Approximately 51

Question: Rajasthan's economy is primarily agricultural and pastoral. Wheat and barley are cultivated over large areas, as are pulses, sugarcane, and oilseeds. Cotton and tobacco are the state's cash crops. Rajasthan is among the largest producers of edible oils in India and the second largest producer of oilseeds. Rajasthan is also the biggest wool-producing state in India and the main opium producer and consumer. There are mainly two crop seasons. The water for irrigation comes from wells and tanks. The Indira Gandhi Canal irrigates northwestern Rajasthan.
Is there an answer to this question: How many crop seasons are there in Rajasthan?

Answer: two crop seasons

Question: The British adopted "effective ceiling", meaning the altitude at which a gun could deliver a series of shells against a moving target; this could be constrained by maximum fuse running time as well as the gun's capability. By the late 1930s the British definition was "that height at which a directly approaching target at 400 mph (=643.6 km/h) can be engaged for 20 seconds before the gun reaches 70 degrees elevation". However, effective ceiling for heavy AA guns was affected by non-ballistic factors:
Is there an answer to this question: Along with other factors, how long must a target be engaged to have effective ceiling?

Answer:
for 20 seconds